Prefilter, foam 3-1 / 2" x 8" (yellow) 65 ppi Product Code: UIPF3128Y

Prefilter, foam 3-1 / 2" x 8" (yellow) 65 ppi Product Code: UIPF3128Y Foam Prefilter for Air Filter Size..... 3-1/2" x 8" PPI..... 65 Color..... Yellow **PPI stands for Pores Per Inch