Lee’s Aquarium & Pets Original Under Gravel Aquarium Filter, 55 Gal

Help your finned friends breathe easily with Lee’s Aquarium & Pets Original Under Gravel Aquarium Filter! This top-of-the-line biological filtration system is designed for use in both freshwater and saltwater environments. This durable unit draws water through gravel into specially designed plates that are made of high-quality plastic to resist splitting and cracking. It includes airline tubing, multiple plates, adjustable one-inch uplift tubes, a Discard-A-Stone air diffuser, and a fish-saver elbow.