Clear-N-Clear - Undergravel Filter 20 Gallons By absorbing and trapping phosphate

By absorbing and trapping phosphate

Ingredients

Kangaroo Meal

DO NOT use on the base of the tank if a thick substrate is used

Claw also helps you to pick ball up from the ground without needing to bend down and touch the ball

Clear-N-Clear - Undergravel Filter 20 Gallons By absorbing and trapping phosphateThe Penn Plax Penn Plax Undergravel Filter combines the function of a traditional filter while offering maximum viewing since its hidden out of sight. Designed for 40 to 50 gallon fish tanks, this undergravel filter uses mechanical, chemical, and biological filtration to filter harmful pollutants from your aquarium. Undergravel filters create the most natural bacteria bed for fish tanks and provide effective aerobic filtration. Included are 4 filter