Matala Hakko Air Pump Support Stands Size:Fits HK-40L / HK-60L / HK-80L Diffusers can be filled with

Diffusers can be filled with gravel or sand to keep weighted to the bottom of the pond

The TetraPond® Floating Pond Deicer helps release harmful pond gases by keeping an area of the pond ice-free

while the other systems are set up for 3/8" airline

use air stones rather than these diffusers

but anyone who has installed systems before knows that things always come up on-site

Matala Hakko Air Pump Support Stands Size:Fits HK-40L / HK-60L / HK-80L Diffusers can be filled withMatala Hakko Support Stands are designed to allow for installation of a Hakko air pump on a wall. Built with rugged plastic construction. Always mount your air pump above the water level of your pond or water feature. Do not rely on a one way check valve. The bottom of the air pump should be at least 2 inches above water level to prevent back flow into the pump. A flooded pump will not qualify for warranty.