-
Optional Sizes and Number of Tiers
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Supports Letter or Legal Size Filing
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Double Entry Shelves Adjust on 1½" Centers
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Easy to Assemble, no Hardware Required
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240 lbs Weight Capacity Per Shelf .
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 |
Depth |
Openings |
Width |
Design |
List Price |
| EFO2424433A |
Letter |
24" |
3 |
24" |
Open 'T' |
$431 |
| EFO3024433A |
3 |
30" |
Open 'T' |
$433 |
| EFO3624433A |
3 |
36" |
Open 'T' |
$433 |
| EFO4224433A |
3 |
42" |
Open 'T' |
$476 |
| EFT2424433A |
3 |
24" |
Closed 'T' |
$502 |
| EFT3024433A |
3 |
30" |
Closed 'T' |
$504 |
| EFT3624433A |
3 |
36" |
Closed 'T' |
$504 |
| EFO4824433A |
3 |
48" |
Open 'T' |
$534 |
| EFT4224433A |
3 |
42" |
Closed 'T' |
$547 |
| EFT4824433A |
3 |
48" |
Closed 'T' |
$605 |
| EFO2424656A |
6 |
24" |
Open 'T' |
$701 |
| EFO3024656A |
6 |
30" |
Open 'T' |
$703 |
| EFO3624656A |
6 |
36" |
Open 'T' |
$703 |
| EFT2424656A |
6 |
24" |
Closed 'T' |
$782 |
| EFT3024656A |
6 |
30" |
Closed 'T' |
$784 |
| EFT3624656A |
6 |
36" |
Closed 'T' |
$784 |
| EFO4224656A |
6 |
42" |
Open 'T' |
$795 |
| EFO2424767A |
7 |
24" |
Open 'T' |
$803 |
| EFO3024767A |
7 |
30" |
Open 'T' |
$805 |
| EFO3624767A |
7 |
36" |
Open 'T' |
$805 |
| EFT4224656A |
6 |
42" |
Closed 'T' |
$876 |
| EFO4824656A |
6 |
48" |
Open 'T' |
$894 |
| EFO2424868A |
8 |
24" |
Open 'T' |
$898 |
| EFO4224767A |
7 |
42" |
Open 'T' |
$900 |
| EFO3024868A |
8 |
30" |
Open 'T' |
$900 |
| EFO3624868A |
8 |
36" |
Open 'T' |
$900 |
| EFT2424767A |
7 |
24" |
Closed 'T' |
$902 |
| EFT3024767A |
7 |
30" |
Closed 'T' |
$904 |
| EFT3624767A |
7 |
36" |
Closed 'T' |
$904 |
| EFO2424979A |
9 |
24" |
Open 'T' |
$989 |
| EFO3024979A |
9 |
30" |
Open 'T' |
$991 |
| EFO3624979A |
9 |
36" |
Open 'T' |
$991 |
| EFT4224767A |
7 |
42" |
Closed 'T' |
$998 |
| EFT2424868A |
8 |
24" |
Closed 'T' |
$1 007 |
| EFO4224868A |
8 |
42" |
Open 'T' |
$1 007 |
| EFT3024868A |
8 |
30" |
Closed 'T' |
$1 009 |
| EFT3624868A |
8 |
36" |
Closed 'T' |
$1 009 |
| EFT4824656A |
6 |
48" |
Closed 'T' |
$1 041 |
| EFO4824767A |
7 |
48" |
Open 'T' |
$1 092 |
| EFO4224979A |
9 |
42" |
Open 'T' |
$1 111 |
| EFT2424979A |
9 |
24" |
Closed 'T' |
$1 112 |
| EFT3024979A |
9 |
30" |
Closed 'T' |
$1 114 |
| EFT3624979A |
9 |
36" |
Closed 'T' |
$1 114 |
| EFT4224868A |
8 |
42" |
Closed 'T' |
$1 116 |
| EFT4824767A |
7 |
48" |
Closed 'T' |
$1 190 |
| EFO4824868A |
8 |
48" |
Open 'T' |
$1 226 |
| EFT4224979A |
9 |
42" |
Closed 'T' |
$1 233 |
| EFT4824868A |
8 |
48" |
Closed 'T' |
$1 335 |
| EFO4824979A |
9 |
48" |
Open 'T' |
$1 357 |
| EFT4824979A |
9 |
48" |
Closed 'T' |
$1 479 |
| EFO2430433A |
Legal |
30" |
3 |
24" |
Open 'T' |
$464 |
| EFO3030433A |
3 |
30" |
Open 'T' |
$466 |
| EFO3630433A |
3 |
36" |
Open 'T' |
$466 |
| EFO4230433A |
3 |
42" |
Open 'T' |
$518 |
| EFT2430433A |
3 |
24" |
Closed 'T' |
$558 |
| EFT3030433A |
3 |
30" |
Closed 'T' |
$560 |
| EFT3630433A |
3 |
36" |
Closed 'T' |
$560 |
| EFO4830433A |
3 |
48" |
Open 'T' |
$568 |
| EFT4230433A |
3 |
42" |
Closed 'T' |
$612 |
| EFT4830433A |
3 |
48" |
Closed 'T' |
$662 |
| EFO2430656A |
6 |
24" |
Open 'T' |
$770 |
| EFO3030656A |
6 |
30" |
Open 'T' |
$772 |
| EFO3630656A |
6 |
36" |
Open 'T' |
$772 |
| EFT3630656A |
6 |
36" |
Closed 'T' |
$828 |
| EFO4230656A |
6 |
42" |
Open 'T' |
$869 |
| EFT2430656A |
6 |
24" |
Closed 'T' |
$880 |
| EFT3030656A |
6 |
30" |
Closed 'T' |
$882 |
| EFO2430767A |
7 |
24" |
Open 'T' |
$883 |
| EFO3030767A |
7 |
30" |
Open 'T' |
$885 |
| EFO3630767A |
7 |
36" |
Open 'T' |
$885 |
| EFO4830656A |
6 |
48" |
Open 'T' |
$952 |
| EFO2430868A |
8 |
24" |
Open 'T' |
$977 |
| EFO3030868A |
8 |
30" |
Open 'T' |
$979 |
| EFO3630868A |
8 |
36" |
Open 'T' |
$979 |
| EFT4230656A |
6 |
42" |
Closed 'T' |
$980 |
| EFO4230767A |
7 |
42" |
Open 'T' |
$997 |
| EFT2430767A |
7 |
24" |
Closed 'T' |
$1 007 |
| EFT3030767A |
7 |
30" |
Closed 'T' |
$1 009 |
| EFT3630767A |
7 |
36" |
Closed 'T' |
$1 009 |
| EFT4830656A |
6 |
48" |
Closed 'T' |
$1 062 |
| EFO2430979A |
9 |
24" |
Open 'T' |
$1 076 |
| EFO3030979A |
9 |
30" |
Open 'T' |
$1 078 |
| EFO3630979A |
9 |
36" |
Open 'T' |
$1 078 |
| EFO4830767A |
7 |
48" |
Open 'T' |
$1 093 |
| EFO4230868A |
8 |
42" |
Open 'T' |
$1 106 |
| EFT2430868A |
8 |
24" |
Closed 'T' |
$1 119 |
| EFT4230767A |
7 |
42" |
Closed 'T' |
$1 121 |
| EFT3030868A |
8 |
30" |
Closed 'T' |
$1 121 |
| EFT3630868A |
8 |
36" |
Closed 'T' |
$1 121 |
| EFO4830868A |
8 |
48" |
Open 'T' |
$1 215 |
| EFT4830767A |
7 |
48" |
Closed 'T' |
$1 217 |
| EFO4230979A |
9 |
42" |
Open 'T' |
$1 220 |
| EFT2430979A |
9 |
24" |
Closed 'T' |
$1 232 |
| EFT3030979A |
9 |
30" |
Closed 'T' |
$1 234 |
| EFT3630979A |
9 |
36" |
Closed 'T' |
$1 234 |
| EFT4230868A |
8 |
42" |
Closed 'T' |
$1 248 |
| EFO4830979A |
9 |
48" |
Open 'T' |
$1 343 |
| EFT4830868A |
8 |
48" |
Closed 'T' |
$1 357 |
| EFT4230979A |
9 |
42" |
Closed 'T' |
$1 376 |
| EFT4830979A |
9 |
48" |
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.
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
WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to 
