Overview Reviews Similar Products Product Description Filbur FC-3053 50 Sq Ft O. D. 8 1/2" Length: 7 1/4" Top: 1 9/10" Open Bottom: 2 3/8" w/Slots Replaces: Unicel C-8350 C8350 Pleatco PVT50W Aladdin 15046 Vita Spas: PVT 50W Location: Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view FC3052 - O. D. 8 1/2 x Length 7 - 50 Sq Ft FC-3052 $50.21 $42.95 Add to Cart Quick view FC5175 - O. D. 7 1/4 x Length 29 1/2 - 75 Sq Ft FC-5175 $110.00 $80.95 Quick view FC5125 - O. D. 7 1/4 x Length 9 7/8 - 25 Sq Ft FC-5125 $34.09 $0.00