The Pentek CGAC-10 # 155661 Chloromines Reduction Carbon Block Water Filter has been replaced by the ChlorPlus 10 # 255416. If you order the CGAC10 you will receive the ChlorPlus 10. CGAC10 Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. CGAC-10 Carbon Block Water Filter # 155661. Chloramines Reduction water filter. 9 7/8" x 2 7/8". Fits most SlimLine and standard size water filter housings. 12 per case, sold individually. Order a case and save even more.