Pondmaster® 7" Diameter Ring Air Diffuser Tetra Pond The filtered water flow back

The filtered water flow back into the pipework at the top of the unit

This is an excellent replacement Agitator for any bead filter

This product is restricted from shipping to the following states: AK

It should be noted that it may take some time for biological filtration to be established

healthy and algae-free over the long haul

Pondmaster® 7" Diameter Ring Air Diffuser Tetra Pond The filtered water flow backThe Pondmaster 7" Diameter Ring Air Diffuser has a total length of 18" and has 48" square inches of active surface area. It is designed for use with the Pondmaster AP 40, AP 60 and AP 100 air pumps. The recommended tubing sizes are 3 4" or 1", but no tubing is included with the diffuser. Instructions