Pondmaster® 6" Straight Air Diffuser Low Head Helix Barley Straw Extract is

Helix Barley Straw Extract is a professional strength

This automatic method of filling your pond helps keep it looking full and beautiful

heavy duty polyethylene filter body and Ultimate Tube Media

This will facilitate a gradual degradation of the barley and allow more barely extract to be released into the pond system

Includes adjustable metal brackets

Pondmaster® 6" Straight Air Diffuser Low Head Helix Barley Straw Extract isThe Pondmaster 6" Straight Air Diffuser has 16" square inches of active surface area, and is designed for use with the Pondmaster AP 20 and AP 40 air pumps. The recommended tubing sizes are 1 2" or 5 8", but no tubing is included with the diffuser. Instructions