OPUS - Annual Water Filter Replacement Kits Select Your Filter Kit:Advantage Annual Filter Kit Part of AOR's Premium line

Part of AOR's Premium line

Black pepper (Piper nigrum) fruit extract

to help support your natural defenses

S-Adenosyl-L-Methionine (SAMe) Disulfate Tosylate: 800 mg

Slippery Elm not only provides a mucus-like substance itself (it's a mucilage

OPUS - Annual Water Filter Replacement Kits Select Your Filter Kit:Advantage Annual Filter Kit Part of AOR's Premium lineFull 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.