Aquarium & Fish Tank Filters / Aquarium Undergravel Filter - The Aquarium Shop Australia - Bottom filters fish tanks
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Penn Plax Undergravel Filter – Premium Aquarium 4 Filter Plate System Designed to Fit 40/50 Gallon Tanks. Undergravel filter system includes 4 filter plates (each measuring " X ") with extra large 1 inch adjustable lift tubes. Effortless setup and easy maintenance make this. Here are our top picks of the best undergravel filter styles on the market. Find out which ones made the cut!