Hiblow® HP Series Linear Diaphragm Air Pumps Model:HP-20 oil-free submersible motor is low-maintenance

oil-free submersible motor is low-maintenance and environmentally friendly

you may need to replace the magnet

5" or 2" Union

hyper cellulase-producing bacteria and cold-weather bacteria (psychrophile) to accelerate the breakdown of leaves

SKU UPC Code Compatibility Input Output Includes WW30X4 727429006788 Warm White

Hiblow® HP Series Linear Diaphragm Air Pumps Model:HP-20 oil-free submersible motor is low-maintenanceHiblow HP Series linear air pumps boast effective aeration and efficient operation. For over 30 years, these reliable, energy efficient, low noise pumps have been used in backyard ponds and aquaculture applications. Every HP Series air pump features thermal overload protection to guard against overheating and pump damage. Oil free operation eliminates danger of contamination in your pond! Linear diaphragm design for quick, inexpensive repair of worn