EasyPro Quick Sink Self-Weighted Air Diffuser Assemblies Size:Double Diffuser Res-Cubes are a must-have for

Res-Cubes are a must-have for pond-free water features

Saves water by reducing necessary run-time for back-washing

producing a long-lasting coating that will not peel or deteriorate

The Hiblow® Polypropylene Air Diffuser is a 250mm (almost 10 inch) diffuser with metric MPT that is close to 1/2"

EasyPro Quick Sink Self-Weighted Air Diffuser Assemblies Size:Double Diffuser Res-Cubes are a must-have forEasyPro Quick Sink self weighted air diffuser assemblies are designed to be placed at the bottom of a pond or lake. The self weighted design eliminates the need for gravel and reduces installation time. Features round rubber EPDM membrane diffusers with thousands of tiny holes that produce small air bubbles when supplied with air from an on shore air compressor. These bubbles rise to the surface and create circulation that helps destratify and aerate