Custom Pro MD-7W Weighted Air Diffuser - 7" Diameter ultrasonic Patented "Spiner Lock" system attaches

Patented "Spiner Lock" system attaches liner securely and easily without bolts

What this means is that you can set the timer for either a 6 hour

Your fish and plants will benefit greatly with the oxygenation this kit gives to your pond's ecosystem

It is over 50% stronger and heavier than typical economy netting

Custom Pro MD-7W Weighted Air Diffuser - 7" Diameter ultrasonic Patented "Spiner Lock" system attachesThe Custom Pro Weighted Diffuser is made from self weighted EPDM, designed to operate with low back pressure and low maintenance. Perfect for providing aeration in ponds and aquariums. Features a 3 8" connector barb for quick and easy set up.