Blue Diamond Envir-o® ET Series Air Pumps with Alarm Model:ET100A Air Pump Combination of biological and mechanical

Combination of biological and mechanical media for maximum water clarity and healthier ponds

Keeps a hole in the ice open to protect fish

Food For Younger fish Under 4" Long

Complete aeration package for lakes up to 2 acre

Blue Diamond Envir-o® ET Series Air Pumps with Alarm Model:ET100A Air Pump Combination of biological and mechanicalBlue 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.