The Blue Diamond ET Series Air Pumps - a versatile and dependable pumping solution tailored for aquariums, ponds, and specialized septic applications. Engineered with versatility in mind, these air pumps are designed to deliver optimal performance across a range of aquatic environments.

Crafted for durability, the weatherproof design ensures that the Blue Diamond ET Series Air Pumps can withstand varying conditions, providing reliable operation even in challenging weather. The robust and compact construction, featuring a main body made from cast aluminum alloy, enhances the pump's longevity and contributes to its sleek and modern aesthetic.

Note: 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. Additionally, the Blue Diamond ET Series Air Pump Complete System Kits are set up for simple and quick installation. Each kit includes an air pump, along with the manifold (if required), weighted airline tubing and diffusers needed for pond aeration.

ET Series Air Pumps

• Energy-efficient Green Drive technology means low power consumption
• Suitable for intermittent and continuous duty applications
• Replacing diaphragms makes it simple to return pump to full performance
• Specially formulated diaphragm material for extended life
• 2-Year Warranty

Connections
Air outlet is threaded inside for use with included barb adapter, but we recommend instead using the provided rubber elbow when connecting 3/8" tubing. Larger tubing may be connected directly to the smooth outer surface of the air outlet. 14mm outlet can accommodate 1/2" tubing, while 18mm outlet can accommodate 5/8" or 3/4" tubing. To use 1/2" tubing with 18mm outlet, you will need additional adapters. On all models where the brass is used to connect to a septic pump alarm, the brass is 4mm.