Lees Clover Dual Action Foam Filter - (Up to 40 Gallons) Aquarium Foam Filters at Pet Mountain

Lees Clover Dual Action Foam Filter are biological filters composed of open-celled foam which provides enormous amounts of usable surface area for beneficial bacteria to colonize. This bacteria breaks down harmful waste substances (ammonia and nitrate), making your aquarium a safer environment for your fish to live and breed.

Lees Clover Dual Action Foam Filter are  is excellent for breeding all types of aquarium fish, as well as for hatching and raising brine shrimp as it will not trap or harm them. Replacement foam filter pads are also available.

Air Pump Required. These are to be used in conjunction with an air pump so you can use gravel to hold these down.

For use with Saltwater or Freshwater.