HIBLOW HP-40 Pond, Septic, Hydroponic Air Pump – 2.8 CFM, for up to 16,000 gal
HIBLOW HP-40 Pond and Septic Air Pump. HIBLOW’s HP-40 air pump is well suited to a wide variety of applications, from septic systems to koi ponds. Due to its relatively small size and power consumption, it produces very little heat, which, along with its weatherproof design and built in thermal overload protection, allows this pump to have a long operational lifespan.