4.2″ Cylinder Air Diffuser – LOT of 10 – Great for Aquaponics, Hydroponics, Aquarium & Pond
They produce a bubble size of 1-2mm and require a higher pressure.
They have a molded aquere rubber support on each end that supports and protects them from tank bottoms and protects the tank or liner from the diffuser. They fit both 3/16″ and 1/4″ tubing and are 1.2″ diameter.
These diffusers are made from alumina that is heat-bonded.
They have a molded square rubber support on each end that protects the diffuser from abrasives.
They fit both 3/16″ and 1/4″ tubing.
