10" x 4.5" Whole House Pleated Sediment Water Filter Replacement for GE FXHSC, Culligan R50-BBSA, Pentek R50-BB, DuPont WFHDC3001, W50PEHD, GXWH40L, GXWH35F, for Well Water, Pack of 6 - Walmart.com
Tiffen 4 x 4" Black Pro-Mist 1/2 Filter 44BPM12 B&H Photo Video
Tiffen 4 x 5.65" Black Pro-Mist 1/4 Filter 45650BPM14 B&H Photo