Aquascape® Barley Straw Extract Select Product:1 gal - 96012 Replacement Manifold (Diffuser) for PondMaster

Replacement Manifold (Diffuser) for PondMaster AP20

Here's a great Design and Installation guide from Savio for your reference

8 panel construction for exceptional strength

Perfect mix for applications that need oxygen and aesthetics

Includes fittings to connect to a standard garden hose

Aquascape® Barley Straw Extract Select Product:1 gal - 96012 Replacement Manifold (Diffuser) for PondMasterNatural Way to Clarify Pond Water Barley straw bas been used for hundreds of years to promote clean clear water conditions in ponds and streams. Provides clear, clean pond conditions Starts working instantly Concentrated formulation with added enzymes