ecoone® Enzyme Active Filter Boost Item #: EC1E Model #: eoneEC1E Description: Convenient ecoone® Enzyme Active Filter Boost was created for heavily used spas. It’s a super concentrated powder that is added directly into the filter compartment every time the filter is cleaned. About ecoone®: ecoone® contains a formulation of natural enzymes, minerals and plant extracts that contains no chlorine, bromine or other harsh chemicals. 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.