Helix Life Support Mesh Media Bag with Drawstring PerformancePro Pumps Fountain Scale Free will protect

Fountain Scale Free will protect your ornamental fountain from damage caused by calcium

A heat protection hose leads externally to vent heat

It provides aquatic weed control for 3-4 weeks

Dosage Rate: 1oz per 500 gallons of pond water

Helix Life Support Mesh Media Bag with Drawstring PerformancePro Pumps Fountain Scale Free will protectMedia performs best as a filter when it is not in a bag, but unless you have a filter specifically made for loose lava rock or other media (like the Helix Bio Mechanical Waterfall Filter or Bio Mechanical Reactor), many people prefer keeping their media in a bag for easy removal and rinsing. The Helix Mesh Media Bag measures 19" x 23", and features a drawstring for easy closing.