Skip to navigation Skip to content
Your Cart
Logo of Material Handling USA with three horizontal red bars on the left. The text is white and set against a transparent background.
  • My Account
  • Help Center
$0.00 0
  • Contact Us
  • Products
    • Bulk Storage Rack
    • Cantilever Rack
    • Crowd Control Barriers
    • Guard Booths
    • HVLS Fans
    • Industrial Catwalks
    • Industrial Ladders
    • In-Plant Buildings
    • In-Plant Offices
    • Laboratory
    • Lift Tables
    • Mezzanine Safety Gates
    • Mezzanines
    • Mobile Shelving
    • Packaging
    • Pallet Rack
    • Parts Department Shelving
    • Security Cages
    • Shelving Solutions
    • Smart Lockers
    • Storeganizer
    • Tire Storage Racks
    • Turnout Gear Racks
    • Vidir
    • Warehouse Solutions
    • Work Platforms
    • Products by Brand
  • Build & Order Now
    • Boltless Shelving
    • Exhaust Snorkels
    • Lockers
    • Metro Tools
    • Pallet Rack
    • Pegasus Medical Storage
    • Quantum Medical Shelving
    • Shelving
    • Tire Rack Builder
  • Design Services
    • Automotive Parts Room Design
    • Evidence Storage Room Design
    • Guard Shack Design
    • Hospital Stockroom Design
    • In Plant Office Design
    • Laboratory Design
    • Locker Room Design
    • Medical Lab Design
    • Museum Design
    • Pallet Rack Design
    • Readiness Center Storage Design
    • Retail Stockroom Design
    • Server Cages Design
    • Stockroom Design
    • Tenant Locker Design
    • Warehouse Design
  • Business Type
    • 3 PL’s
    • Aerospace
    • Athletic Storage
    • Automotive
    • Data Centers
    • Education
    • Evidence Storage
    • Food Service
    • Government
    • Healthcare
    • Laboratories
    • Law Enforcement
    • Manufacturing
    • Military
    • Office
    • Property Management
    • Robotics
    • Warehouse
    • Wastewater Treatment Plants
  • Resources
    • AIA Presentations
    • Brochures
    • Case Studies
    • Photo Gallery
    • Specifications
  • Build Your Own Layout
    • All Design Tools
    • Automated Vertical Storage Configurator
    • Base Cabinet Configurator
    • Cantilever Rack Configurator
    • Cleanroom Configurator
    • Countertop Configurator
    • Exhaust Snorkel Configurator
    • Fume Hood Configurator
    • Jaken Shelving & Rack Configurator
    • Lab Bench Configurator
    • Lab Layout Configurator
    • Lab Tables & Bench Configurator
    • Labs USA Lab Layout Configurator
    • Mobile Shelving Planner
    • Modular Building Configurator
    • Pallet Rack Configurator
    • Security Cage Configurator
    • Storeganizer Configurator
    • Wall Cabinet Configurator
  • Planning Tools
    • Architect Spec Package
    • Automation ROI Calculator
    • Delivery Deadline Planner
    • Floor Plan Project Review
    • Floor Space Recovery Calculator
    • Mezzanine Feasibility Screener
    • My Project Binder
    • Parts & Kitting Storage Planner
    • Rack Damage Assessment
    • Rack System Comparison Calculator
    • SKU Upload Analyzer
    • Specification & RFP Analyzer
    • Tire Rack Builder
    • Warehouse Opportunity Scanner
  • Contact Us
  • Products
    • Bulk Storage Rack
    • Cantilever Rack
    • Crowd Control Barriers
    • Guard Booths
    • HVLS Fans
    • Industrial Catwalks
    • Industrial Ladders
    • In-Plant Buildings
    • In-Plant Offices
    • Laboratory
    • Lift Tables
    • Mezzanine Safety Gates
    • Mezzanines
    • Mobile Shelving
    • Packaging
    • Pallet Rack
    • Parts Department Shelving
    • Security Cages
    • Shelving Solutions
    • Smart Lockers
    • Storeganizer
    • Tire Storage Racks
    • Turnout Gear Racks
    • Vidir
    • Warehouse Solutions
    • Work Platforms
    • Products by Brand
  • Build & Order Now
    • Boltless Shelving
    • Exhaust Snorkels
    • Lockers
    • Metro Tools
    • Pallet Rack
    • Pegasus Medical Storage
    • Quantum Medical Shelving
    • Shelving
    • Tire Rack Builder
  • Design Services
    • Automotive Parts Room Design
    • Evidence Storage Room Design
    • Guard Shack Design
    • Hospital Stockroom Design
    • In Plant Office Design
    • Laboratory Design
    • Locker Room Design
    • Medical Lab Design
    • Museum Design
    • Pallet Rack Design
    • Readiness Center Storage Design
    • Retail Stockroom Design
    • Server Cages Design
    • Stockroom Design
    • Tenant Locker Design
    • Warehouse Design
  • Business Type
    • 3 PL’s
    • Aerospace
    • Athletic Storage
    • Automotive
    • Data Centers
    • Education
    • Evidence Storage
    • Food Service
    • Government
    • Healthcare
    • Laboratories
    • Law Enforcement
    • Manufacturing
    • Military
    • Office
    • Property Management
    • Robotics
    • Warehouse
    • Wastewater Treatment Plants
  • Resources
    • AIA Presentations
    • Brochures
    • Case Studies
    • Photo Gallery
    • Specifications
  • Build Your Own Layout
    • All Design Tools
    • Automated Vertical Storage Configurator
    • Base Cabinet Configurator
    • Cantilever Rack Configurator
    • Cleanroom Configurator
    • Countertop Configurator
    • Exhaust Snorkel Configurator
    • Fume Hood Configurator
    • Jaken Shelving & Rack Configurator
    • Lab Bench Configurator
    • Lab Layout Configurator
    • Lab Tables & Bench Configurator
    • Labs USA Lab Layout Configurator
    • Mobile Shelving Planner
    • Modular Building Configurator
    • Pallet Rack Configurator
    • Security Cage Configurator
    • Storeganizer Configurator
    • Wall Cabinet Configurator
  • Planning Tools
    • Architect Spec Package
    • Automation ROI Calculator
    • Delivery Deadline Planner
    • Floor Plan Project Review
    • Floor Space Recovery Calculator
    • Mezzanine Feasibility Screener
    • My Project Binder
    • Parts & Kitting Storage Planner
    • Rack Damage Assessment
    • Rack System Comparison Calculator
    • SKU Upload Analyzer
    • Specification & RFP Analyzer
    • Tire Rack Builder
    • Warehouse Opportunity Scanner
$0.00 0

Add-On Units

Durable plastic shelving for industrial storage.

Home » Shop » Shelving » Plastic Shelving » Add-On Units » Page 5

Showing 113–140 of 151 resultsSorted by popularity

  • ←
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • →
  • -51%
    The MetroMax Q AQ356G3 is a 4-shelf, 18 x 48 x 63 plastic industrial shelving add-on unit with sturdy shelves supported by corner vertical poles. Note: Actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ356G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 48″ x 63″
    $855.00 Original price was: $855.00.$421.98Current price is: $421.98. Add to cart
  • -45%
    The MetroMax i AX316GX3 Add-On Unit, 18 x 24 x 63, offers a sturdy four-tier design with perforated shelves. Displayed on a white backdrop, actual dimensions may differ.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX316GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 24″ x 63″
    $1,046.00 Original price was: $1,046.00.$574.72Current price is: $574.72. Add to cart
  • -51%
    A shelving unit similar to the MetroMax Q AQ366G3 4-Shelf Plastic Industrial Shelving Add-On Unit includes four vented shelves with corner poles. Its actual dimensions are 18 x 60 x 63, featuring a grid-like shelf surface.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ366G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 60″ x 63″
    $979.00 Original price was: $979.00.$483.52Current price is: $483.52. Add to cart
  • -45%
    The MetroMax i AX536GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 24 x 36 x 63, features four adjustable gray shelves with a grid pattern and a sleek silver frame with black accents.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX536GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 36″ x 63″
    $1,321.00 Original price was: $1,321.00.$725.27Current price is: $725.27. Add to cart
  • -45%
    The MetroMax 4 AX466G4 is a gray four-tier plastic industrial shelving add-on with grid-design shelves, measuring 21 x 60 x 63. Note: Dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX466G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 60″ x 63″
    $1,221.00 Original price was: $1,221.00.$670.33Current price is: $670.33. Add to cart
  • -51%
    A MetroMax Q AQ546G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24 x 42 x 63, features four adjustable, perforated shelves. Note that actual dimensions may vary from the product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ546G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 42″ x 63″
    $1,005.00 Original price was: $1,005.00.$496.70Current price is: $496.70. Add to cart
  • -45%
    The MetroMax i AX526GX3 4-Shelf Plastic Industrial Shelving Add-On Unit features a tall metal frame, four adjustable slatted shelves, blue corner accents, and measures 24x30x63. Note: Actual dimensions may vary from product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX526GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 30″ x 63″
    $1,321.00 Original price was: $1,321.00.$725.27Current price is: $725.27. Add to cart
  • -45%
    The MetroMax i AX346GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 18 x 42 x 63, has four adjustable shelves in a grid design. Stabilized by vertical posts and braces, it stands securely on adjustable feet to efficiently organize any space.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX346GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 42″ x 63″
    $1,260.00 Original price was: $1,260.00.$692.31Current price is: $692.31. Add to cart
  • -51%
    The MetroMax Q AQ456G3 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 21 x 48 x 63, features a metal shelving unit with four adjustable ventilated grid-designed shelves on cylindrical legs. Note: Actual dimensions may vary from product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ456G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 48″ x 63″
    $957.00 Original price was: $957.00.$472.53Current price is: $472.53. Add to cart
  • -45%
    The MetroMax 4 AX556G4 is a sleek freestanding shelving unit with four perforated shelves, designed for industrial use. Its dimensions are 24 x 48 x 63, providing versatile storage options while actual sizes may slightly vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX556G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 48″ x 63″
    $1,137.00 Original price was: $1,137.00.$624.18Current price is: $624.18. Add to cart
  • -45%
    The MetroMax 4 AX366G4 is a 4-shelf plastic shelving add-on unit, sized at 18 x 60 x 63, ideal for industrial use with slatted surfaces. Displayed against a white background, actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX366G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 60″ x 63″
    $1,125.00 Original price was: $1,125.00.$617.58Current price is: $617.58. Add to cart
  • -51%
    The MetroMax Q AQ446G3 add-on unit, 21 x 42 x 63, has a sleek grid pattern with four adjustable shelves against a plain white background. Note: Actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ446G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 42″ x 63″
    $957.00 Original price was: $957.00.$472.53Current price is: $472.53. Add to cart
  • -45%
    The MetroMax 4 AX456G4 add-on unit is a 21 x 48 x 63 plastic industrial shelving system with four gray shelves featuring black corner caps and ventilation slots, supported by light-colored poles for lasting durability; dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX456G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 48″ x 63″
    $1,061.00 Original price was: $1,061.00.$582.42Current price is: $582.42. Add to cart
  • -51%
    The MetroMax Q AQ536G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24 x 36 x 63, has a four-tier shelving system with a grid design in blue. Shelves are metal-supported, pictured on white; dimensions might slightly vary.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ536G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 36″ x 63″
    $859.00 Original price was: $859.00.$424.18Current price is: $424.18. Add to cart
  • -45%
    The MetroMax 4 AX546G4 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 24 x 42 x 63, is shown against a plain white background with each tier having a grid-like surface. A note states, Actual dimensions may vary from product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX546G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 42″ x 63″
    $1,137.00 Original price was: $1,137.00.$624.18Current price is: $624.18. Add to cart
  • -45%
    The MetroMax i AX336GX3 is a 4-shelf plastic industrial shelving add-on unit measuring 18 x 36 x 63, featuring evenly spaced grid-patterned shelves supported by corner poles. Its light gray structure with black and blue accents offers a sleek, industrial look.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX336GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 36″ x 63″
    $1,082.00 Original price was: $1,082.00.$594.50Current price is: $594.50. Add to cart
  • -45%
    The MetroMax i AX516GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 24 x 24 x 63, features ventilated shelves and adjustable feet for flexible storage in a sturdy freestanding industrial design. Actual dimensions may vary slightly from those shown.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX516GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 24″ x 63″
    $1,301.00 Original price was: $1,301.00.$714.29Current price is: $714.29. Add to cart
  • -45%
    The MetroMax 4 AX356G4 4-shelf plastic industrial shelving add-on unit, 18 x 48 x 63, features perforated shelves, a beige frame with dark corner caps, and a disclaimer that dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX356G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 48″ x 63″
    $987.00 Original price was: $987.00.$541.76Current price is: $541.76. Add to cart
  • -45%
    The MetroMax 4 AX446G4 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 21 x 42 x 63, features a grid-style surface with corner metal bar supports. Displayed on a white background, theres a note: Actual dimensions may vary from product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX446G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 42″ x 63″
    $1,061.00 Original price was: $1,061.00.$582.42Current price is: $582.42. Add to cart
  • -45%
    The MetroMax 4 AX536G4 4-Shelf Plastic Industrial Shelving Add-On Unit (24 x 36 x 63) features a durable design with gray slatted shelves against a white background; actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX536G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 36″ x 63″
    $971.00 Original price was: $971.00.$532.97Current price is: $532.97. Add to cart
  • -51%
    The MetroMax Q AQ346G3 4-Shelf Plastic Industrial Shelving Add-On Unit, measuring 18 x 42 x 63, features adjustable shelves. Displayed on a plain white background, a note reads: Actual dimensions may vary from product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ346G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 42″ x 63″
    $855.00 Original price was: $855.00.$421.98Current price is: $421.98. Add to cart
  • -51%
    The MetroMax Q AQ436G3 4-Shelf Plastic Industrial Shelving Add-On Unit features a metal frame, four slatted shelves, and adjustable legs. It measures 21 x 36 x 63, but actual dimensions may vary from the product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ436G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 36″ x 63″
    $846.00 Original price was: $846.00.$417.58Current price is: $417.58. Add to cart
  • -51%
    The MetroMax Q AQ526G3 4-Shelf Plastic Industrial Shelving Add-On Unit features a metal frame, four adjustable slatted shelves, and vertical support rods at each corner. It measures 24 x 30 x 63, but actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ526G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 24″ x 30″ x 63″
    $859.00 Original price was: $859.00.$424.18Current price is: $424.18. Add to cart
  • -45%
    The MetroMax i AX326GX3 4-Shelf Plastic Industrial Shelving Add-On Unit features a sleek silver frame and durable blue mesh shelves. It measures 18 x 30 x 63 with adjustable legs and sturdy metal crossbars. Note: Actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax i AX326GX3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 30″ x 63″
    $1,133.00 Original price was: $1,133.00.$621.98Current price is: $621.98. Add to cart
  • -45%
    The MetroMax 4 AX436G4 is a 21 x 36 x 63 four-tier plastic shelving add-on unit featuring light blue shelves with dark corner trim. Each shelf has perforations for ventilation. Supported by four sturdy legs, dimensions may vary slightly.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX436G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 21″ x 36″ x 63″
    $941.00 Original price was: $941.00.$516.48Current price is: $516.48. Add to cart
  • -45%
    The MetroMax 4 AX346G4 4-Shelf Plastic Industrial Shelving Add-On Unit dimensions are around 18 x 42 x 63, with perforated layers and strong corner-supported vertical posts, though actual sizes may vary slightly.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX346G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 42″ x 63″
    $987.00 Original price was: $987.00.$541.76Current price is: $541.76. Add to cart
  • -45%
    The MetroMax 4 AX336G4 is a four-shelf plastic industrial shelving add-on unit with gray slats, black corner protectors, and a light-colored frame. Its 18 x 36 x 63, though actual dimensions may vary.

    Add-On Units, Add-On Units, Metro

    MetroMax 4 AX336G4 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 36″ x 63″
    $855.00 Original price was: $855.00.$469.23Current price is: $469.23. Add to cart
  • -51%
    The MetroMax Q AQ336G3 Add-On Unit has a four-shelf metal design with a blue and silver finish, featuring gridded surfaces supported by vertical poles. Its dimensions are 18 x 36 x 63, but may vary from the product shown.

    Add-On Units, Add-On Units, Metro

    MetroMax Q AQ336G3 4-Shelf Plastic Industrial Shelving Add-On Unit, 18″ x 36″ x 63″
    $743.00 Original price was: $743.00.$367.03Current price is: $367.03. Add to cart

Showing 113–140 of 151 resultsSorted by popularity

  • ←
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • →
Filter by price
Price: —

Latest From Our Blog

Parking Facility Attendant Booth Salt Lake City Guide

Parking Facility Attendant Booth Salt Lake City Guide

A parking booth can look simple on a site plan, then become difficult to use once drivers queue, staff handle payments, and pedestrians move between…

October 26, 2026
Mine and Quarry Guard House Utah: Layout and Sizing Guide

Mine and Quarry Guard House Utah: Layout and Sizing Guide

A loaded haul truck stops at the gate. The driver can't find the scale office. A fuel truck waits behind him, and a service pickup can't get around…

October 25, 2026
Guard Booth for Utah Construction Site Entrances 2026

Guard Booth for Utah Construction Site Entrances 2026

Utah construction employment grew at an average annual rate of 6.5%, compared with 2.9% for total statewide nonfarm employment, according to Utah…

October 24, 2026
Tenant Storage Lockers for Salt Lake Apartment Buildings

Tenant Storage Lockers for Salt Lake Apartment Buildings

A resident stops by the leasing office with a bike wheel in one hand and a holiday bin in the other. The bike will not fit on the balcony. The bin…

October 23, 2026
Get In Touch with Our Experts Today!

For more information and personalized assistance from our in-house representatives, feel free to reach out to us. Whether you have questions or need a callback, we’re here to help! Simply email us at Sales@MH-USA.com or use our convenient “Contact Us” form to get started. You can also give us a call at 1-800-326-4403.

Online Store
My Account
Register
My Orders
Check Out
Terms and Conditions
Privacy Policy
Products
Pallet Rack
Shelving
Shipping Supplies
Security Cages
Mezzanines
Modular Buildings
Smart Lockers
PRODUCT DESIGN SERVICES
Warehouse Design
Storeganizer Configurator
Pallet Rack Design
Laboratory Design
Stockroom Design
Tenant Locker Design
Pallet Rack Permitting
Retail Stockroom Design
Hospital Stockroom Design
Evidence Storage Room Design
Business Type
Data Centers
Education
Food Service
Government
Healthcare
Laboratories
Law Enforcement
Manufacturing
Mining and Gas
Office
Property Management
Warehouse
Resources
Brochures
Photo Gallery
Specifications
AIA Presentations
CONTACT US

Call Us
Contact Us
Send Us A Message
About Us
Blogs
Career

MATERIAL HANDLING USA
800-326-4403
Sales@MH-USA.com
222 S. Main St.
5th Floor
Salt Lake City, UT 84101
Facebook Youtube Linkedin X-twitter
Logos of various payment methods displayed in a row: Affirm, Amazon Pay, Discover, American Express, Visa, MasterCard, Google Pay, Apple Pay, and Klarna, each in distinct colors and styles.
Headquartered in Salt Lake City, UT • Serving customers nationwide
Local service areas: Salt Lake City • Provo • Ogden • Park City • St. George • Logan • Lehi • Orem