ecoone® Spa Fill Hose Filter Item #: EC1HF Model #: eoneEC1HF Description: Convenient ecoone® HOSE filter is unlike other hose filters in the industry. This dual chamber design is a combination of granual activated carbon (GAC) and reduction/oxidation enclosure that reduces and/or eliminates harmful contaminants such as lead, iron, copper, mercury, arsenic, VOCs, chlorine and its by products (THMS), fluoride, nitrate and many others. Features: Purifies up to 40,000 gallons of water Connects easily to garden hose Works with city or well water; hard or soft Highly recommended to fill up pools or spas as it will eliminate the need for harsh chemicals such as metal removers, scum digesters and clarifiers. as many uses such as: RV, camping, organic gardening, fountains, fish tanks, fish ponds, kids wading pools, washing cars/boats and watering lawns. Features of ecoone®: The core of the ecoone® system is comprised of 4 items (whereas many other companies have up to 15 products to maintain a spa). Your water will be softer, clearer, with no odors, no foam and no irritation to the eyes and skin.