Overview Reviews Similar Products Product Description Filbur FC-2640 45 Sq Ft O. D. 4 15/16" Length 17 3/4" Top 2 1/8" Bottom 2 1/8" Replaces: Unicel C-4449 C4449 Pleatco PSI45-0-4 Aladdin 14502 Product Videos Product Reviews Find Similar Products by Category 14502 Recommended Quick view FC1619 - O. D. 4 15/16 x Length 17 3/8 - 45 Sq Ft FC-1619 $36.98 $28.95 Add to Cart Quick view FC2394 - O. D. 4 15/16 x Length 12 1/4 - 45 Sq Ft $38.95 Add to Cart Quick view FC6310 - O. D. 4 15/16" x Length 17 3/8" - 50 Sq Ft $59.95