Blue Diamond Envir-o® ETA Series Air Pumps with Alarm Size:ET40A Biological R440312 788379506629 Ceramic 1

Biological R440312 788379506629 Ceramic 1

Winkler dissolved oxygen test will give false

Do not submerge

3 Year Warranty (Freshwater applications)

This daybed fits an outdoor VersaLoft bed cushion or standard full mattress (53"W x 75"L)

Blue Diamond Envir-o® ETA Series Air Pumps with Alarm Size:ET40A Biological R440312 788379506629 Ceramic 1Note: The Blue Diamond ET series aerators are designed for relatively low pressure. Tubing should not exceed 130' and diffusers should only used in water up to 7' deep. Blue Diamond ETA Series Air Pumps with Alarm have primarily been used in the septic industry, but 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. Compact, weatherproof