Atlantic Water Gardens Air Pump Kit for Ponds with Tubing and Stone, 1800 LPH Beneficial for all seasons in water gardens under 4' deep Replaceable diaphragms extend pumpservice life Air stones feature brass insert fittings for durability and longevity Ideal for aerating holding tanks during pond clean-outs Kits include air pump with 6' cord, stone, brass fittings, check valve and tubing as shown