Uni Air Filter BF-4 Foam Sheet, Part #230-62

Uni Air Filter Universal Foam for you to fabricate your own design! Sheet Size 12 X 16 X 3/8 - 60 PPI Black Fine Foam. Item Number: BF-4. Foam Piece: 16 x 12 and is 3/8 Inch Thick. 60 PPI (pores per inch). Easy To Use: Place your existing filter on top of foam trace it out and then cut it out with scissors. Made in America.