Generalaire 20x25x5 Merv 11. (3-pack)


Was: $213.00
Now: $184.00
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Product Overview

GREAT VALUE: YOU PAY ONLY $61.33 EACH! Generalaire 20x25x5 Merv 11 yields high indoor air quality with an exceptional filter that rivals the competition. Pay less, get more. Most affordable product of this size!


  • MERV 11
  • Lifespan: 6 months
  • Exact size: 20 x 24 1/4 x 4 15/16 inches (with foam strips)
  • Sold in 3-pack ($61.33/each)


Generalaire 4551 filter replaces Trion Air Bear 20x25x5 or any brand when you have the exact same sizes. It is the most affordable option for Canadian homeowners who want the lowest cost. It lasts six months! Want to go easy on your wallet? This is the best economical choice from Generalaire, a trusted manufacturer of Canadian-made premium quality pleated filters.


  • GFI-4501
  • Trion Air Bear 255649-102
  • Trion Air Bear 259112-102
  • Generalaire MAC 2000, 3000G, 3000P, MAC-L
  • TRION Air Bear Supreme 2000
  • Skuttle DB0-0025-020
  • Ultravation 90-007
  • MERV 10 filter 5FM2025

Compatible with any brand of furnace or A/C if you have the same size. Not 100% certain this product will be the perfect fit for your system? We suggest you compare the EXACT SIZES of this filter with other 20x25x5 furnace filter

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.


We make it easy for you to order from our secure website 24/7. It’s fast, it’s easy, it’s convenient. We accept VISA, MasterCard and PayPal. Prefer to place your order or ask questions by phone? 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.


  • Generalaire furnace filter 4551
  • Exact Size: 20 x 24 1/4 x 4 15/16 inches (50,8 x 61,6 x 12.5 cm)
  • Foam strips
  • Part number: Generalaire filter 4551
  • 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 get.