Quiet and energy efficient kit is perfect for providing oxygenation levels and Dual Linear Diaphragm ensures maximum circulation to promote clean and clear water throughout the year. De-Icing capability during winter months keeps an opening in the ice allowing harmful toxic gasses to escape. With the maximum air flow of 1.3 CFM the EasyPro LA1 improves pond conditions. Kit includes CUL and UL listed compressor with 6′ power cord, rubber membrane diffuser, connectors and 3/8? 3 Year Limited on compressor. EasyPro Pond Products LA Series – Koi Pond Aeration Kit. These aeration systems are designed to be an energy efficient way to aerate, de-stratify and circulate water in ponds and water gardens. The increase in oxygen levels provided by an aeration system is beneficial to any pond but especially to ponds with fish. These kits are ideal for ponds, aquariums or other small fish holding systems. LA1 Koi Pond Aeration System. Ensure adequate oxygen and circulation during hot summer months. De-icing capability during freezing months. Dual linear diaphragm compressor provides maximum air output. Quiet and energy efficient. Safe for fish, pets and family with no electricity in the water. CUL & UL listed compressor with 6′ power cord. 25′ of 3/8 quick sink tubing. Pond Size: 1000 to 7500 gallons. Power Cord Length: 6. Maximum Air Flow: 1.3 cfm. 1000 to 7500 gallons. 2000 to 15000 gallons. 3000 to 22500 gallons. 4000 to 30000 gallons.