Flat ceramic Ultra-Fine Pore Diffuser-

SIMPLE and Easy to Install

PRODUCES bubbles 100-400 microns in size over the entire porous area and are uniform in size.

BUILT-IN check valve prevents water from entering the diffuser and impairing performance or causing damage in cold temperatures.

4″ x 2.75″, 14.75″ x 1.75″

This item has no warranty!