This Complete Kit for 1 acre ponds Includes a 1/4 Hp Oil-less Rocking Piston Air Pump, a 2 way manifold with a pressure gauge, two 100 ft rolls of 3/8" weighted tubing, and two 9 inch diffusers with bases The manifold includes an oil filled pressure gauge to reduce indicator vibration. Also attached is a pressure relief valve which opens at approximately 25 psi to prevent damage to the compressor The self-weighted air hose is very heavy duty and pliable. It is stronger, thicker and heavier than other brands. It will not crush or kink and can handle freezing temperatures The air diffuser bases allow you to place the air diffusers firmly at the bottom of the pond and keeps the air diffusers up out of the mud The 9 inch EPDM disc diffusers are designed for industry heavy duty installation and offer the lowest back pressure in the market, only adds less than 6 inches of water depth back pressure, allowing you to utilize your air pump in the most efficient way
