A trouble free biological filter designed with adjustable 1″ dia. uplift tubes for better water circulation and multi-plate construction for easy installation. Includes airline tubing and Discard-A-Stone and reatures the fish-saver elbow. Advanced design allows a separate plate installation and also has optional flow-thru set-up for use with a power head. Made of special quality plastic which resists splitting and cracking.Size 10″ x 20″Packaging Boxed
