Matala Hakko Air Diffuser Tubes Pondmaster Higher density airstones are self-weighted

Higher density airstones are self-weighted

1/2" FPT x 1/2" Slip (To attach to PVC)

The internal mechanism provides a unique anti-clumping spiral flow that maximizes media contact time as well as greater flow-through

Model Size Valves Dimensions Dimensions (with Valves) Megladon23 23 cu

Available with or without remote-controlled lighting

Matala Hakko Air Diffuser Tubes Pondmaster Higher density airstones are self-weightedMatala Hakko Air Tube Diffusers are designed to be a drop in system. The EPDM rubber membrane is wrapped around a hollow plastic tube. The air holes are a little larger than other brands, so you get medium sized bubbles which do not clog and put very little back pressure on your system. This means very low maintenance and effective aeration system. It is necessary to add small stones to the inner tube to keep the diffuser weighted at the bottom of