Matala Hakko Air Diffusers with Included Base Complete Aquatics Weirs comes with a 2

Weirs comes with a 2 Year Warranty

this tubing will not kink yet stays flexible

(4) complete diffuser sticks

Complete diffuser includes manifold with check valve

Matala Hakko Air Diffusers with Included Base Complete Aquatics Weirs comes with a 2Matala Hakko Base Air Diffusers are membrane air diffuser assemblies that feature heavy duty plastic bases with soft edges. These bases are hollow so that they can be filled with sand or gravel, eliminating the need for bricks and straps to get the diffuser to sink. Two sizes of bases are offered: the small base can accommodate one or two diffusers, and the large base can accommodate two or four diffusers. Heavy duty diffusers produce medium bubbles,