Blue Diamond Envir-o® ET Series Air Pumps with Alarm Model:ET100A Air Pump Keeps a hole in the

Keeps a hole in the ice open to protect fish

all-natural pond treatment

Completely redesigned:  The Classic - the entry level class of filter and watercourse pumps from OASE

Food For Younger fish Under 4" Long

As we all know

Blue Diamond Envir-o® ET Series Air Pumps with Alarm Model:ET100A Air Pump Keeps a hole in theBlue Diamond ETA Series Air Pumps with Alarm have primarily been used in the septic industry but they can be used in any application where it is important to be promptly notified when the air pump has failed to supply air to your aquarium, pond or septic application. The ET series range of air pumps ensures that there is plenty of water movement in wastewater applications; this boosts oxygen levels in the water, allowing aerobic bacteria to decompose.