A/one Cartridge 162c Betta Haven

Aqua One Betta Haven Carbon Cartridge (2pk) 162c (25162c) Aqua One Betta Haven Carbon Cartridge (2pk) 162c (25162c) Easy to change 2 per pack Low maintenance costs Replace every 8 Weeks Removes Harmful Toxins Genuine Aqua One part These 162c carbons should be replaced every 8 weeks to ensure peak tank conditions and crystal clear water. We recommend only using Aqua One genuine spare parts in their range of aquariums.