Uni FIlter Dual Layer I.D 1 3/4in - O.D 3 1/2in - LG. 4in Pod Filter - UP-4182ST

Uni Filter's Dual Layer "POD"Air Filters are constructed with "Two" layers of foam, a course red outer layer and a fine black inner layer. This "Two Stage" technology provides superior dirt stopping and performance in the dirtiest of conditions.