Hagen AquaClearŽ "20" (Mini) Activated Carbon Insert "Value 3 Pack" #A1380 Hagen AquaClearŽ "20" (Mini) Activated Carbon Insert 1 pk #A597 Hagen AquaClearŽ "20" (Mini) AmRid Ammonia Remover "Value 3 Pack" #A1410 Hagen AquaClearŽ "20" (Mini) AmRid Ammonia Remover 1 pk #A596 Hagen AquaClearŽ "20" (Mini) Foam Filter Insert "Value 3 Pack" #A1390 Hagen AquaClearŽ "20" (Mini) Foam Filter Insert 1 pk #A598 Hagen AquaClearŽ "30" (150) Activated Carbon Insert "Value 3 Pack" #A1382 Hagen AquaClearŽ "30" (150) Activated Carbon Insert 1 pk #A602 Hagen AquaClearŽ "30" (150) AmRid Ammonia Remover "Value 3 Pack" #A1412 Hagen AquaClearŽ "30" (150) AmRid Ammonia Remover 1 pk #A601 Hagen AquaClearŽ "30" (150) Foam Filter Insert "Value 3 Pack" #A1392 Hagen AquaClearŽ "30" (150) Foam Filter Insert 1 pk #A605 Hagen AquaClearŽ "50" (200) Activated Carbon Insert "Value 3 Pack" #A1384 Hagen AquaClearŽ "50" (200) Activated Carbon Insert 1 pk #A612 Hagen AquaClearŽ "50" (200) AmRid Ammonia Remover "Value 3 Pack" #A1414 Hagen AquaClearŽ "50" (200) AmRid Ammonia Remover 1 pk #A611 Hagen AquaClearŽ "50" (200) Foam Filter Insert "Value 3 Pack" #A1394 Hagen AquaClearŽ "50" (200) Foam Filter Insert 1 pk #A613 Hagen AquaClearŽ "70" (300) Activated Carbon Insert "Value 3 Pack" #A1386 Hagen AquaClearŽ "70" (300) Activated Carbon Insert 1 pk #A617 Hagen AquaClearŽ "70" (300) AmRid Ammonia Remover "Value 3 Pack" #A1416 Hagen AquaClearŽ "70" (300) AmRid Ammonia Remover 1 pk #A616 Hagen AquaClearŽ "70" (300) Foam Filter Insert "Value 3 Pack" #A1396 Hagen AquaClearŽ "70" (300) Foam Filter Insert 1 pk #A618 Hagen AquaClearŽ "110" (500) Activated Carbon Insert 1 pk #A622 Hagen AquaClearŽ "110" (500) AmRid Ammonia Remover 1 pk #A621 Hagen AquaClearŽ "110" (500) Foam Filter Insert 1 pk #A623