need help? call toll free 877-866-7400 chat now chat now

toll free phone 877-866-7400

Sukkot Holiday Closing Mon & Tues, October 10th - 11th 2022 [See Details for More]

Our store will be closed for the Sukkot Holiday. You can always place your orders online and they will be processed as usual when our office reopens. Alternatively you may email your requests and we will get back to them in a timely manner.

We appreciate your patience as we return to our regular operations schedule.


 Quick-Ship Adirmed Furniture ORDER NOW>

Mayline EF2412S 4-Post Shelves

By Mayline | Mfr#: EF2412S | Tiger#: TM79051
  • 4-Post Shelves MAYEF2412S-
  • MAYEF2412S- Accessories: 4-Post Shelves - Slotted Shelf
  • MAYEF2412S- Accessories: 4-Post Shelves - Unslotted Shelf


  • Choice of Slotted or Unslotted Design Variations
  • Optional 18 or 22 Gauge Steel 
  • 240 lbs Weight Capacity Per Shelf
  • Compatible with Mayline 4-Post Filing Units 
  • Product Options
Ships Out Within: 4-6 Weeks

At, we do our best to provide our customers with quality products at the lowest possible price. If you see an item marked with a Price Match Guarantee seal for less on a competitor website, we will meet or beat it! The site be an authorized distributor and the price quoted must be the standard advertised price.

How to Submit a Lower Price

To submit a lower price send us the item number in question, a link to the competitor price page, along with your full name and contact information to As soon as we receive your email, a member of our sales staff will review the information and contact you with a Meet or Beat offer.

For more information, please call us at 877-866-7400. offers free shipping for this item over $650 Price, to anywhere in the 48 contiguous United States. Alaska, Hawaii and the territories are excluded unless otherwise noted. 

Call us now for more information on this  offer at 1-877-866-7400.

Overview for Mayline EF2412S 4-Post Shelves

Mayline 4-Post Shelves are designed to help you form the filing system according to your individual requirements. The Shelves fit Mayline 4-Post Starter and Adder units. They come in a great variety of sizes and two design variations. Each shelf features a capacity of 240 lbs and is made with 18-gauge or 22-gauge steel at your choice. Experience the benefits of a greater visibility, one-touch file retrieval and simple assembly.

4-Post Shelves - Options Chart
Item #Media DepthWidth Design List PricePrice
EF2412SLetter12" 24"22 Guage - Slotted$25$17,50
EF3012S30"22 Guage - Slotted$25$17,50
EF3612S36"22 Guage - Slotted$25$17,50
EF2412U24"22 Guage - Unslotted$25$17,50
EF3012U30"22 Guage - Unslotted$25$17,50
EF3612U36"22 Guage - Unslotted$28$19,60
EF4212S42"22 Guage - Slotted$30$21,00
EF4212U42"22 Guage - Unslotted$30$21,00
EF4812U48"22 Guage - Unslotted$34$23,80
EF4812S48"22 Guage - Slotted$38$26,60
EF2412U18GA24"18 Guage - Unslotted$49$34,30
EF3012U18GA30"18 Guage - Unslotted$52$38,08
EF2412S18GA24"18 Guage - Slotted$54$39,16
EF3012S18GA30"18 Guage - Slotted$55$39,70
EF3612S18GA36"18 Guage - Slotted$55$39,70
EF3612U18GA36"18 Guage - Unslotted$55$39,70
EF4212U18GA42"18 Guage - Unslotted$57$40,78
EF4212S18GA42"18 Guage - Slotted$58$41,32
EF4812S18GA48"18 Guage - Slotted$61$42,94
EF4812U18GA48"18 Guage - Unslotted$61$42,94
EF2415SLegal15" 24"22 Guage - Slotted$28$19,60
EF3015S30"22 Guage - Slotted$28$19,60
EF3615S36"22 Guage - Slotted$28$19,60
EF2415U24"22 Guage - Unslotted$28$19,60
EF3015U30"22 Guage - Unslotted$28$19,60
EF3615U36"22 Guage - Unslotted$32$22,40
EF4215U42"22 Guage - Unslotted$37$25,90
EF4215S42"22 Guage - Slotted$38$26,60
EF4815U48"22 Guage - Unslotted$41$28,70
EF4815S48"22 Guage - Slotted$45$31,50
EF2415U18GA24"18 Guage - Unslotted$51$37,54
EF2415S18GA24"18 Guage - Slotted$55$39,70
EF3015S18GA30"18 Guage - Slotted$56$40,24
EF3615S18GA36"18 Guage - Slotted$56$40,24
EF3015U18GA30"18 Guage - Unslotted$56$40,24
EF3615U18GA36"18 Guage - Unslotted$56$40,24
EF4215U18GA42"18 Guage - Unslotted$58$41,32
EF4215S18GA42"18 Guage - Slotted$61$42,94
EF4815S18GA48"18 Guage - Slotted$62$43,48
EF4815U18GA48"18 Guage - Unslotted$62$43,48

Customize Your 4-Post Shelves

The 4-Post Shelves are intended to fit any Mayline 4-Post Filing Unit and therefore come in a great number of variations. See below to view all the customizable options:

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

  • Letter Size - 12" Depth
  • Legal Size - 15" Depth

Shelf Width
A great choice of width options are available to help you expand any of the Mayline 4-Post Filling Units.

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

The Shelves feature slotted and unslotted design variations. Slotted shelves allow the use of dividers that can be adjusted on 3" centers along the shelf. Both design variations are available in 18-gauge or 22-gauge steel configurations.

  • 22 Guage – Slotted
  • 22 Guage – Unslotted
  • 18 Guage - Slotted
  • 18 Guage - Unslotted

Optional Paint Colors
Mayline 4-Post Shelves come in 17 finish to match your existing Filing Unit.
*Please write your color preference in your order special notes.

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