AAF Flanders 12 in. x 20 in. x 1 in. Nested Fiberglass Merv 4 Air Filter (24 Pack) Part # 10059.011220

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 14 in. x 20 in. x 1 in. Nested Fiberglass Air Filter (24 Pack) Part # 10059.011420

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 14 in. x 24 in. x 1 Nested Fiberglass MERV 4 Air Filter (24 Pack) Part # 10059.011424

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 14 in. x 25 in. x 1 in. Nested Fiberglass Air Filter (24 Pack) Part # 10059.011425

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 16 in. x 20 in. x 1 in. Nested Fiberglass Air Filter (24 Pack) Part # 10059.011620

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 16 in. x 25 in. x 1 in. Nested Fiberglass Merv 4 Air Filter (24 pack) Part # 10059.011625

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 20 in. x 20 in. x 1 in. Nested Fiberglass Air Filter (24 Pack) Part # 10059.012020

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 20 in. x 25 in. x 1 in. Nested Fiberglass Merv 4 AirFilter (24 Pack) Part # 10059.012025

This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50-year. The filtering medium is continuous filament...

AAF Flanders 20 in. x 25 in. x 1 Smilie Air Filter (12 per Case) Part # SM105

You can cut this material with heavy shears or a razor knife to create almost any size 1 in. air filter for furnace and central air. It is springy, almost rigid and needs no frame for support. Just...

AAF Flanders 20 in. x 360 in. x 1 Hog Hair Merv 5 Air Filter Roll Part # HHB20130

Permaire is a unique type of air filtration media that has evolved from a natural organic fiber media to completely new synthetic media. A single cut across the roll will produce a ready-to-install...

AAF Flanders 24 in. x 300 in. x 0.25 MERV 4 Foam Service Roller Part # FR52524

The Flanders PrecisionAire 24 in. x 300 in. x 1/4 in. Foam Service Roller features a washable and reusable design for convenient use. It has synthetic filter material for durability. This filter...

AAF Flanders 25 in. x 360 in. x 1 Hog Hair Merv 5 Air Filter Roll, Part # HHB25130

Permaire is a unique type of air filtration media that has evolved from a natural organic fiber media to completely new synthetic media. A single cut across the roll will produce a ready-to-install...