Disposable Panel Filter, PolyStrand Media, 14 Inch L x 25 Inch W x 1 Inch T, 300 fpm, MERV 4

Disposable Panel Filter, PolyStrand Media, 14 Inch L x 25 Inch W x 2 Inch T, 500 fpm, MERV 4

18X18X2 Disposable Panel Poly

Disposable Panel Filter, PolyStrand Media, 20 Inch L x 20 Inch W x 1 Inch T, 300 fpm, MERV 4

Disposable Panel Filter, PolyStrand Media, 20 Inch L x 22 Inch W x 1 Inch T, 300 fpm, MERV 4

Disposable Filter, Synthetic Media, 20 Inch L x 24 Inch W x 1 Inch T, 300 fpm, MERV 4