Reinforced design for longer life and better efficiency. Traps impurities in the water. Anti-Microbial Treated. Wick filter fits Emerson HD1100/02, 1200/02/04/12/14, 1300/01/03/05, 1405/06/07, HD230 (HDC-12) and Quiet Comfort 12 gal, Kenmore 14415/17/52/53/54, 14911, 144150/151/170/521/522/523/530/531/532/533 (14911), 154140/200, 42.14452/53/54, 758.144150/151/170/171, 14452/520/521/522/523/5630/531/532/533, 154140/200, 155171, 299751C/752C/870C, 2pk.