Helix Life Support Mesh Media Bag with Drawstring Hecht Rubber Corp which eliminate unwanted algae growth

which eliminate unwanted algae growth without causing harm to fish and plants

These pumps come with a 30' power cord and a two year limited warranty

Overflow pipe automatically vents air from chamber

DL-Methionine

Helix Life Support Mesh Media Bag with Drawstring Hecht Rubber Corp which eliminate unwanted algae growthMedia 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.