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Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Quantum Storage Shelving Add-On Kits + Extra Shelves

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    • Below $100.00 (1) items
    • $100.00 - $200.00 (275) items
    • $200.00 - $300.00 (627) items
    • $300.00 - $400.00 (317) items
    • $400.00 - $500.00 (209) items

  • Customer Ratings

    • 5 (66) items
    • 4 (153) items
    • 3 (35) items
    • 2 (6) items
    • 1 (6) items

  • Width

    • 21 in (439) items
    • 18 in (406) items
    • 24 in (401) items
    • 14 in (373) items
    • 12 in (192) items

  • Depth

    • 36 in (320) items
    • 48 in (316) items
    • 72 in (315) items
    • 60 in (314) items
    • 42 in (275) items

  • Height

    • 74 in (567) items
    • 54 in (555) items
    • 86 in (555) items
    • 63 in (551) items
    • 2 in (1) items

  • Mobile Unit

    • N (2115) items

  • Shelf Material

    • Carbon Steel (1085) items
    • Stainless Steel (575) items
    • Chrome (233) items
    • Galvanized Steel (233) items
    • Wire (102) items

  • Frame Material

    • Carbon Steel (1085) items
    • Stainless Steel (575) items
    • Chrome (335) items
    • Galvanized Steel (233) items
    • Aluminum (1) items

1-48 of 2261 Products

Quantum Clamp for Solid Shelf Unit System, Model# QSMC

Quantum Clamp for Solid Shelf Unit System, Model# QSMC

Item # 178776

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Quantum, Wire 5 Shelf Add-On Kit Black 63in., Height 63 in, Width 24 in, Depth 54 in, Model# AD63-2454BK-5

Quantum, Wire 5 Shelf Add-On Kit Black 63in., Height 63 in, Width 24 in, Depth 54 in, Model# AD63-2454BK-5

Item # 4458158

$351.99
 

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111404, Model# AD54-3060C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111404, Model# AD54-3060C

Item # 111538

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Quantum Wire Add-On Kit, 74in.H for use with Item# 111448, Model# AD74-1460C

Quantum Wire Add-On Kit, 74in.H for use with Item# 111448, Model# AD74-1460C

Item # 111582

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Quantum, Stainless Steel 4 Solid Shelf Add-On Kit 74in., Height 74 in, Width 24 in, Depth 36 in, Model# WRSAD4-74-2436SS

Quantum, Stainless Steel 4 Solid Shelf Add-On Kit 74in., Height 74 in, Width 24 in, Depth 36 in, Model# WRSAD4-74-2436SS

Item # 4466844

$1085.99
 

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Quantum Wire Add-On Kit, 86in.H for use with Item# 111478, Model# AD86-1448C

Quantum Wire Add-On Kit, 86in.H for use with Item# 111478, Model# AD86-1448C

Item # 111613

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Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 36in.W x 18in.D Shelves, Model# AD86-1836SG

Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 36in.W x 18in.D Shelves, Model# AD86-1836SG

Item # 178770

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Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 48in.W x 18in.D Shelves, Model# AD63-1848SG

Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 48in.W x 18in.D Shelves, Model# AD63-1848SG

Item # 178759

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Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 36in.W x 24in.D Shelves, Model# AD63-2436SG

Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 36in.W x 24in.D Shelves, Model# AD63-2436SG

Item # 178761

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Quantum Wire Add-On Kit, 74in.H for use with Item# 111451, Model# AD74-1830C

Quantum Wire Add-On Kit, 74in.H for use with Item# 111451, Model# AD74-1830C

Item # 111585

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Quantum, Wire 4 Shelf Add-On Kit Proform 54in., Height 54 in, Width 24 in, Depth 36 in, Model# AD54-2436P

Quantum, Wire 4 Shelf Add-On Kit Proform 54in., Height 54 in, Width 24 in, Depth 36 in, Model# AD54-2436P

Item # 4430235

$219.99
 

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Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 36in.W x 24in.D Shelves, Model# AD74-2436SG

Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 36in.W x 24in.D Shelves, Model# AD74-2436SG

Item # 178767

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Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 36in.W x 18in.D Shelves, Model# AD74-1836SG

Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 36in.W x 18in.D Shelves, Model# AD74-1836SG

Item # 178764

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Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 60in.W x 18in.D Shelves, Model# AD86-1860SG

Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 60in.W x 18in.D Shelves, Model# AD86-1860SG

Item # 178772

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111412, Model# AD63-1436C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111412, Model# AD63-1436C

Item # 111546

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Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 48in.W x 24in.D Shelves, Model# AD86-2448SG

Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 48in.W x 24in.D Shelves, Model# AD86-2448SG

Item # 178774

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Quantum Wire Add-On Kit, 86in.H for use with Item# 111476, Model# AD86-1436C

Quantum Wire Add-On Kit, 86in.H for use with Item# 111476, Model# AD86-1436C

Item # 111611

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Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 36in.W x 24in.D Shelves, Model# AD86-2436SG

Quantum Solid Shelf Unit System, 86in.H Add-On Unit with 4 36in.W x 24in.D Shelves, Model# AD86-2436SG

Item # 178773

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Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 60in.W x 24in.D Shelves, Model# AD63-2460SG

Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 60in.W x 24in.D Shelves, Model# AD63-2460SG

Item # 178763

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Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 60in.W x 18in.D Shelves, Model# AD74-1860SG

Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 60in.W x 18in.D Shelves, Model# AD74-1860SG

Item # 178766

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Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 60in.W x 24in.D Shelves, Model# AD74-2460SG

Quantum Solid Shelf Unit System, 74in.H Add-On Unit with 4 60in.W x 24in.D Shelves, Model# AD74-2460SG

Item # 178769

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111406, Model# AD54-3636C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111406, Model# AD54-3636C

Item # 111540

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Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 60in.W x 18in.D Shelves, Model# AD63-1860SG

Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 60in.W x 18in.D Shelves, Model# AD63-1860SG

Item # 178760

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Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 48in.W x 24in.D Shelves, Model# AD63-2448SG

Quantum Solid Shelf Unit System, 63in.H Add-On Unit with 4 48in.W x 24in.D Shelves, Model# AD63-2448SG

Item # 178762

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111380, Model# AD54-1436C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111380, Model# AD54-1436C

Item # 111514

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111415, Model# AD63-1454C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111415, Model# AD63-1454C

Item # 111549

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111411, Model# AD63-1430C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111411, Model# AD63-1430C

Item # 111545

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Quantum Wire Add-On Kit, 86in.H for use with Item# 111475, Model# AD86-1430C

Quantum Wire Add-On Kit, 86in.H for use with Item# 111475, Model# AD86-1430C

Item # 111610

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Quantum Wire Add-On Kit, 86in.H for use with Item# 111479, Model# AD86-1454C

Quantum Wire Add-On Kit, 86in.H for use with Item# 111479, Model# AD86-1454C

Item # 111614

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111427, Model# AD63-2430C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111427, Model# AD63-2430C

Item # 111561

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111421, Model# AD63-1842C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111421, Model# AD63-1842C

Item # 111555

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111405, Model# AD54-3072C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111405, Model# AD54-3072C

Item # 111539

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Quantum Wire Add-On Kit, 74in.H for use with Item# 111464, Model# AD74-2460C

Quantum Wire Add-On Kit, 74in.H for use with Item# 111464, Model# AD74-2460C

Item # 111598

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111402, Model# AD54-3036C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111402, Model# AD54-3036C

Item # 111536

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111379, Model# AD54-1430C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111379, Model# AD54-1430C

Item # 111513

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Quantum Wire Add-On Kit, 74in.H for use with Item# 111449, Model# AD74-1472C

Quantum Wire Add-On Kit, 74in.H for use with Item# 111449, Model# AD74-1472C

Item # 111583

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111395, Model# AD54-2430C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111395, Model# AD54-2430C

Item # 111529

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111413, Model# AD63-1442C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111413, Model# AD63-1442C

Item # 111547

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Quantum Wire Add-On Kit, 86in.H for use with Item# 111490, Model# AD86-2460C

Quantum Wire Add-On Kit, 86in.H for use with Item# 111490, Model# AD86-2460C

Item # 111634

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Quantum, Galvanized 5 Solid Shelf Add-On Kit 63in., Height 63 in, Width 18 in, Depth 42 in, Model# AD63-1842SG-5

Quantum, Galvanized 5 Solid Shelf Add-On Kit 63in., Height 63 in, Width 18 in, Depth 42 in, Model# AD63-1842SG-5

Item # 4456996

$561.99
 

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Quantum, Wire 4 Shelf Add-On Kit Proform 63in., Height 63 in, Width 30 in, Depth 60 in, Model# AD63-3060P

Quantum, Wire 4 Shelf Add-On Kit Proform 63in., Height 63 in, Width 30 in, Depth 60 in, Model# AD63-3060P

Item # 4430631

$417.99
 

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Quantum Wire Add-On Kit, 63in.H for use with Item# 111428, Model# AD63-2436C

Quantum Wire Add-On Kit, 63in.H for use with Item# 111428, Model# AD63-2436C

Item # 111562

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Quantum Wire Add-On Kit, 86in.H for use with Item# 111485, Model# AD86-1842C

Quantum Wire Add-On Kit, 86in.H for use with Item# 111485, Model# AD86-1842C

Item # 111623

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Quantum Wire Add-On Kit - 54in.H for use with Item# 111383, Model# AD54-1454C

Quantum Wire Add-On Kit - 54in.H for use with Item# 111383, Model# AD54-1454C

Item # 111517

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111382, Model# AD54-1448C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111382, Model# AD54-1448C

Item # 111516

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111391, Model# AD54-1854C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111391, Model# AD54-1854C

Item # 111525

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Quantum Wire Add-On Kit, 54in.H for use with Item# 111398, Model# AD54-2448C

Quantum Wire Add-On Kit, 54in.H for use with Item# 111398, Model# AD54-2448C

Item # 111532

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Quantum Wire Add-On Kit, 74in.H for use with Item# 111458, Model# AD74-2424C

Quantum Wire Add-On Kit, 74in.H for use with Item# 111458, Model# AD74-2424C

Item # 111592

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