Overview Reviews Similar Products Product Description Filbur FC-2620 25 Sq Ft O. D. 4 15/16" Length: 9 4/5" Top: 2 1/8" Open Bottom: 2 1/8" Open Replaces: Unicel C-4428 C4428 Pleatco PPI25-4 Aladdin 12510 SANTANA SPAS : Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view FC2650 - O. D. 4 15/16 x Length 9 13/16 - 25 Sq Ft FC-2650 $30.80 $23.95 Add to Cart Quick view FC-2399 - O. D. 4 15/16" x Length 6 5/8" - 25 Sq Ft $39.35 $36.95 Add to Cart Quick view FC2375 - O. D. 4 15/16 x Length 13 5/16 - 25 Sq Ft FC-2375 $39.95 Add to Cart