EasyPro Quick Sink Self-Weighted Air Diffuser Assemblies The Pond Digger Mini and Small sizes are

Mini and Small sizes are vented with a small cluster of vent holes making them more suitable for covering air pumps

ensure that the pond has established biological filtration

The ​FishGuard Bracket (sold separately) allows you to easily attach the FishGuard to the side of your aquarium

This formula is fortified with prebiotics to improve probiotic growth and to enhance water quality

EasyPro Quick Sink Self-Weighted Air Diffuser Assemblies The Pond Digger Mini and Small sizes areEasyPro 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