EcoOne® Hose Filter is your ultimate solution for spa care. Eliminate harmful contaminants like heavy metals, arsenic, VOCs, odors, and more from your water. The multi-stage water filter uses an advanced dual-chamber filtration system to filter particles as small as 20 microns. The EcoOne® Hose Filter offers a 40,000-gallon filtration capacity for all water types, whether you have hard water, soft water, city water, or well water.