HagenŽ Fluval 104 Foam Filter Block 2pk #A220 HagenŽ Fluval 204/304 Foam Filter Block 2pk #A222 HagenŽ Fluval 404 Foam Filter Block 2pk #A226 Hagen Fluval Water Polishing Pad 6pk #A244 HagenŽ Fluval BioMax Ceramic Rings 17.63oz #A1456 HagenŽ Fluval ZeoCarb 21 oz (600 g) #A1495 HagenŽ Fluval Zeo Carb 3 Bags x 5 oz (150 g) #A1490 HagenŽ Fluval Ammonia Remover 24.5 oz (700 g) #A1485 HagenŽ Fluval Ammonia Remover 3 Bags x 6.3 oz (180 g) #A1480 HagenŽ Fluval UltraGrade Carbon 13 oz (375 g) #A1445 HagenŽ Fluval UltraGrade Carbon 3 Bags x 3.5 oz #A1440 HagenŽ Fluval Peat Fiber 2.5 oz (70 g) #A1460* HagenŽ Fluval Peat Granular 17.5 oz (500 g) #A1465 HagenŽ Fluval PreFilter 26 oz (750 g) #A1470 Hagen FluvalŽ 1 "Plus" Foam Insert Pads 2 pk #A180 Hagen FluvalŽ 2 "Plus" Foam Insert Pads 4 pk #A182 Hagen FluvalŽ 3 "Plus" Foam Insert Pads 4 pk #A184 Hagen FluvalŽ 4 "Plus" Foam Insert Pads 4 pk #A186