Limewood Diffusers

Limewood Diffusers Aeration » Air Diffusers » These wood air diffusers produce a very fine bubble that is ideal for use in protein skimmers. Made from natural limewood, cut against the grain to produce very fine bubbles. The 3/16" barbed screw-in nipple ensures long life under high-pressure conditions. These air diffusers require a minimum of one psi (27" H2O) to operate.