Overview Reviews Similar Products Product Description Filbur FC-3740 13 Sq Ft O. D. 4 3/4" Length 18" Top 1 1/8" Bottom 2 3/8" Replaces: Unicel C-4618 C4618 PLEATCO PC18-4 ALADDIN 11301 COLECO : F-225 COLECO : F-335 COLECO : F-345 LOMART : F-225 LOMART : F-335 LOMART : F-345 Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view FC3745 - O. D. 4 3/4" x Length 18" - 16 Sq Ft $22.00 $15.95 Add to Cart Quick view FC3320 - O. D. 8" x Length 13" - 75 Sq Ft $56.22 $52.95 Add to Cart Quick view FC0179 - O. D. 4 1/4" x Length 23 3/4" - 60 Sq Ft $35.00 $29.95