Aluminum mesh bulk media, the 1/4" mesh is 5 layers of expanded aluminum which are bonded together. Bonded Aluminum material that consists of many layers of tiny baffles, bonded together to make up a solid pad. Frames are made from sheet Aluminum, 3003-H1
Lifetime Aluminium Air Filter 19.5 X 19.5 X 2
16x19 Wire Mesh Filters for Mobile Homes (Aftermarket) - Pipe
Aerostar 16x20x4 Slim (15 1/2 x 19 1/2 x 3 3/4) MERV 11
Surefoil City Select Foil Roll, 1000' Length x 12 Width
Phifer 48 in. x 100 ft. Charcoal Aluminum Screen (Tube) 3015762
Nordic Pure 20x25x1 (19 1/2 x 24 1/2 x 3/4) Pleated Air Filters
Twelve-pack Performance level is MERV 8 Keeps equipment clean for efficient operation
NaturalAire Pre-Pleat 40 Air Filter, MERV 8, 20 x 25 x 2-Inch, 12-Pack
Nordic Pure 16x16x1 (15 3/4 x 15 3/4 x 3/4) Pleated MERV 12 Air
16x19 Wire Mesh Filters for Mobile Homes (Aftermarket) - Pipe