Duststop Trim to Fit Washable Furnace Air Filter, 20 x 25 x 3/4-in, 1-pk | Canadian Tire
20x25 MERV 8 Media Air Cleaner / Air Filter Home - Field Controls
Bestair 20 x 25 x 4 in. Pleated Air Filter- pack of 3 | Walmart Canada
3M Filtrete 1000 MPR Allergen Defense Pleated Furnace Electrostatic Air Filter - 20 x 25 x 5-in | Lowe's Canada
Filtri Washable Durable Household HVAC 20 x 25 x 1 High Efficiency MERV 13 Fine Particulate Replacement Reusable Furnace Air Filter : Amazon.ca: Tools & Home Improvement
Honeywell FC100A1037 20X25 MERV 11 Media Air Filter
Pleated Air Filters - 20 x 25 x 4", MERV 8 S-23437 - Uline
Pleated Air Filters - 20 x 25 x 1", MERV 8 S-22968 - Uline