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Mayline EFO2424433A 4-Post Filing Double Entry - Adder Unit *DISCONTINUED*

By Mayline | Mfr#: EFO2424433A | Tiger#: TM79049
4-Post Filing Double Entry - Adder Unit MAYEFO2424433A-

Product Highlights

  • Optional Sizes and Number of Tiers 
  • Supports Letter or Legal Size Filing
  • Double Entry Shelves Adjust on 1½" Centers 
  • Easy to Assemble, no Hardware Required
  • 240 lbs Weight Capacity Per Shelf
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Availability:Out Of Stock
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  • Product Options
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Ships Out Within: Discontinued

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Special Note

Dividers are required to complete your Filing Unit Order. Please make your choice HERE

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Overview for Mayline EFO2424433A 4-Post Filing Double Entry - Adder Unit

Mayline 4-Post Filing Double Entry - Adder Unit is a highly efficient storage solution that has been designed to specifically address your unique current and future storage needs. Start off with a basic Double Entry unit and build up your storage system using Adder models. With Mayline 4-Post shelving systems you are free to create and alternate your storage space to fit folders, organize files, stock boxes and what not. Experience the benefits of a greater visibility, one-touch file retrieval, simple assembly and a large variety of upgrades.

Model Features
This Mayline Double Entry Adder Unit features two types of uprights: Closed "T" and open "T" that are normally used for the internal support. The shelves are made of a 22-gauge steel that ensures exceptional durability and a weight capacity of 240 lbs per shelf. The uprights are slotted on the sides to allow customizable shelf positioning. Each shelf adjusts on 1.5" along the 4-Post Filing Unit. Double Entry design allows storing and accessing files from both sides of the unit. It has a double-depth for back-to-back storage. This basic model comes without shelf dividers that can be purchased separately if required.

4-Post Filing Double Entry - Adder Unit - Shelving Options Chart
Item #Media DepthOpeningsWidth Design List Price
EFO2424433ALetter24"324"Open 'T' $431
EFO3024433A330"Open 'T' $433
EFO3624433A336"Open 'T' $433
EFO4224433A342"Open 'T' $476
EFT2424433A324"Closed 'T' $502
EFT3024433A330"Closed 'T' $504
EFT3624433A336"Closed 'T' $504
EFO4824433A348"Open 'T' $534
EFT4224433A342"Closed 'T' $547
EFT4824433A348"Closed 'T' $605
EFO2424656A624"Open 'T' $701
EFO3024656A630"Open 'T' $703
EFO3624656A636"Open 'T' $703
EFT2424656A624"Closed 'T' $782
EFT3024656A630"Closed 'T' $784
EFT3624656A636"Closed 'T' $784
EFO4224656A642"Open 'T' $795
EFO2424767A724"Open 'T' $803
EFO3024767A730"Open 'T' $805
EFO3624767A736"Open 'T' $805
EFT4224656A642"Closed 'T' $876
EFO4824656A648"Open 'T' $894
EFO2424868A824"Open 'T' $898
EFO4224767A742"Open 'T' $900
EFO3024868A830"Open 'T' $900
EFO3624868A836"Open 'T' $900
EFT2424767A724"Closed 'T' $902
EFT3024767A730"Closed 'T' $904
EFT3624767A736"Closed 'T' $904
EFO2424979A924"Open 'T' $989
EFO3024979A930"Open 'T' $991
EFO3624979A936"Open 'T' $991
EFT4224767A742"Closed 'T' $998
EFT2424868A824"Closed 'T' $1 007
EFO4224868A842"Open 'T' $1 007
EFT3024868A830"Closed 'T' $1 009
EFT3624868A836"Closed 'T' $1 009
EFT4824656A648"Closed 'T' $1 041
EFO4824767A748"Open 'T' $1 092
EFO4224979A942"Open 'T' $1 111
EFT2424979A924"Closed 'T' $1 112
EFT3024979A930"Closed 'T' $1 114
EFT3624979A936"Closed 'T' $1 114
EFT4224868A842"Closed 'T' $1 116
EFT4824767A748"Closed 'T' $1 190
EFO4824868A848"Open 'T' $1 226
EFT4224979A942"Closed 'T' $1 233
EFT4824868A848"Closed 'T' $1 335
EFO4824979A948"Open 'T' $1 357
EFT4824979A948"Closed 'T' $1 479
EFO2430433ALegal30"324"Open 'T' $464
EFO3030433A330"Open 'T' $466
EFO3630433A336"Open 'T' $466
EFO4230433A342"Open 'T' $518
EFT2430433A324"Closed 'T' $558
EFT3030433A330"Closed 'T' $560
EFT3630433A336"Closed 'T' $560
EFO4830433A348"Open 'T' $568
EFT4230433A342"Closed 'T' $612
EFT4830433A348"Closed 'T' $662
EFO2430656A624"Open 'T' $770
EFO3030656A630"Open 'T' $772
EFO3630656A636"Open 'T' $772
EFT3630656A636"Closed 'T' $828
EFO4230656A642"Open 'T' $869
EFT2430656A624"Closed 'T' $880
EFT3030656A630"Closed 'T' $882
EFO2430767A724"Open 'T' $883
EFO3030767A730"Open 'T' $885
EFO3630767A736"Open 'T' $885
EFO4830656A648"Open 'T' $952
EFO2430868A824"Open 'T' $977
EFO3030868A830"Open 'T' $979
EFO3630868A836"Open 'T' $979
EFT4230656A642"Closed 'T' $980
EFO4230767A742"Open 'T' $997
EFT2430767A724"Closed 'T' $1 007
EFT3030767A730"Closed 'T' $1 009
EFT3630767A736"Closed 'T' $1 009
EFT4830656A648"Closed 'T' $1 062
EFO2430979A924"Open 'T' $1 076
EFO3030979A930"Open 'T' $1 078
EFO3630979A936"Open 'T' $1 078
EFO4830767A748"Open 'T' $1 093
EFO4230868A842"Open 'T' $1 106
EFT2430868A824"Closed 'T' $1 119
EFT4230767A742"Closed 'T' $1 121
EFT3030868A830"Closed 'T' $1 121
EFT3630868A836"Closed 'T' $1 121
EFO4830868A848"Open 'T' $1 215
EFT4830767A748"Closed 'T' $1 217
EFO4230979A942"Open 'T' $1 220
EFT2430979A924"Closed 'T' $1 232
EFT3030979A930"Closed 'T' $1 234
EFT3630979A936"Closed 'T' $1 234
EFT4230868A842"Closed 'T' $1 248
EFO4830979A948"Open 'T' $1 343
EFT4830868A848"Closed 'T' $1 357
EFT4230979A942"Closed 'T' $1 376
EFT4830979A948"Closed 'T' $1 499


The Mayline Adder sections are available in a great variety of configurations allowing to customize unit dimensions, number of shelves and uprights style. See below to view all the customizable options:Customize Your 4-Post Filing Double Entry - Adder Unit

Media Type
There are two depth options to choose from, corresponding to two media types: Letter or Legal.

  • Letter Size - 24" Depth
  • Legal Size - 30" Depth

Number of Openings
This 4-Post Filing Adder Unit is available in five variations that differ by number of tiers that correspond to the number of usable shelves.

  • 3 Tiers
  • 6 Tiers
  • 7 Tiers
  • 8 Tiers
  • 9 Tiers

Unit Width
A great choice of width options promotes flexibility in how much you would like to expand you filling system.

  • 24"
  • 30"
  • 36"
  • 42"
  • 48"

Design
Choose between closed or open "T" type uprights to best suit your needs.

  • Open "T" Upright
  • Closed "T" Upright

Optional Paint Colors
Mayline 4-Post Filing System comes in 17 finish colors at your choice.
*Please write your color preference in your order special notes.

To purchase this product, please select from the drop down menu above

What's in the Box
  • 1 Upright
  • Shelves (quantity is optional) 
  • 1 Canopy Top 
  • Shelf Supports
  • Shelf Reinforcements as Required
  • Stops 
  • Limited Lifetime Warranty