OPUS - Annual Water Filter Replacement Kits Select Your Filter Kit:Freedom NANO Annual Filter Kit 25 g) of powder in

25 g) of powder in water or some other beverage

hot and cold cereals

to match the levels of those antioxidants which were used in certain eye vitamin supplements in the second Age-Related Eye Disease Study (AREDS) conducted by the NIH National Eye Institute

and improving the taste and odor of the drinking water (Stage 3)

OPUS - Annual Water Filter Replacement Kits Select Your Filter Kit:Freedom NANO Annual Filter Kit 25 g) of powder inFull annual replacement filter kits are available for order here for the entire ongoing line of OPUS Point of Use water purification systems. Please see details below for what is included in each kit. You can also order the individual replacement filters separately. Product Notes Various Filter Packages (Please Read Carefully) For replacement Ultra Violet bulbs for either the CottagePure or the Whole House systems, please see our Replacement UV Bulbs.