Aqua One EcoStyle 61 Sponge (2pk) 106s (25106s) Easy to change 2 per pack Low maintenance costs Replace every 8 Weeks Genuine Aqua One part These 106s sponges should be replaced every 8 weeks to ensure peak tank conditions and crystal clear water...

Aqua One EcoStyle 61 Carbon Cartridge (2pk) 106c (25106c) Easy to change 2 per pack Low maintenance costs Replace every 6 Weeks Removes Harmful Toxins Genuine Aqua One part These 106c carbons should be replaced every 6 weeks to ensure peak tank...