Clear-N-Clear - Undergravel Filter 30 Gallons German Shepard

German Shepard

and chloramine from tap water

it may also be used on many soft haired breeds such as Vizslas

blueberries)

Clear-N-Clear - Undergravel Filter 30 Gallons German ShepardThe 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