Blue Diamond Envir-o® ET Series Air Pumps with Alarm Netting Size_ 20' x 20' You can upgrade any of

You can upgrade any of these with a sound-proofing package too

This fittings kit fits 14W

Buff-it-Up™ is an excellent calcium source

953 L) for 10 days

Fast acting – steady and extended release

Blue Diamond Envir-o® ET Series Air Pumps with Alarm Netting Size_ 20' x 20' You can upgrade any ofBlue 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.