Generalaire 20x20x5 Merv 11. (3-pack)


Was: $212.00
Now: $183.00
Order today by 11 a.m. and get your order the next business day
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Product Overview

$61 EACH - Generalaire 20x20x5 Furnace Filter MERV 11


  • MERV 11
  • Lifespan: 6 months
  • Exact size: 19 5/8 x 20 5/8 x 4 15/16 inches (with foam strips)
  • Sold in 3-pack ($61/each)


Upgrade your indoor air quality with the Generalaire 4556. Enjoy high-quality filtration that rivals the competition at a fraction of the price. This product offers exceptional value!


  • Compatible with the following models:
  • Generalaire 4531 MERV 10
  • Trion Air Bear 255649-103
  • Trion Air Bear 259112-103
  • Air Bear Supreme 20x20
  • Totaline P101-MF16
  • Generalaire Mac2020
  • S1-MAC202005
  • Skuttle #448-3
  • Skuttle DB-0020-020

Compatible with any brand of furnace or A/C if you have the same size. If you're uncertain about compatibility, compare the exact sizes of this filter with others here.

Please note: We recommend measuring the actual filter to replace and compare with our exact measurements before ordering.


Enjoy fast FREE SHIPPING in Canada on all orders sent via Canada Post. Order today by 11 a.m. and get your order the next business day! Some restrictions apply.


Ordering is easy on our secure website 24/7. We accept VISA, MasterCard, and PayPal. If you prefer phone orders or have questions, our dedicated customer service representatives are ready to assist you between 8 a.m. to 2 p.m. Eastern time when you call (888) 315-0105.


  • Exact Size: 19 5/8 x 20 5/8 x 4 15/16 inches (49.8 x 54.4 x 12.5 cm)
  • Foam strips included
  • Part number: 4556
  • Material: cotton and synthetic media blend
  • Color: white and green
  • Made in USA


The product is warrantied by the manufacturer for defects for 1 year.


You can return your items within 10 business days of receiving your order. We only accept items returned in perfect condition. Buyer pays for all shipping and handling costs for returns. General sales conditions

NOTE: Product photos are illustrative only and may not reflect the actual product you receive.