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Filtrete 20-in W x 20-in L x 5-in MERV 11 HVAC Basic Pleated Air Filter (2-Pack)

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This is an aftermarket replacement for the 229990-103 filter
Replacement filter for Trion Air Bear Cub 229990-103, 248713-103, 255649-103; Trion Air Bear 435790-001 and 255149-003; Trion Air Bear Supreme 455604-001, 455602-019 and 459200-007
Nominal size 20-in x 20-in x 5-in

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This is an aftermarket replacement for the 229990-103 filter
Replacement filter for Trion Air Bear Cub 229990-103, 248713-103, 255649-103; Trion Air Bear 435790-001 and 255149-003; Trion Air Bear Supreme 455604-001, 455602-019 and 459200-007
Nominal size 20-in x 20-in x 5-in
Actual size 19-3/4-in x 20-3/4-in x 4-7/8-in
No assembly required, no combs needed, filter just slides right in
Removes atmospheric and household dust, coal and insecticide dust, mites, pollen, tobacco smoke, cooking smoke, grease, mold, fungi and more down to 0.3 micron
Provides a very low resistance, enabling the heating and cooling system to run cleaner and more efficiently, while saving on energy bills
Gasketing on 2 sides to guarantee a snug fit
Superior frame strength utilizing double wall construction and die cut fingers