Check the listing for details. Nikken PiMag MicroJet Ultra Shower Systems Replacement Filter WALL MOUNT 13831. Condition: New. Listed at 57.85 USD. Nikken PiMag MicroJet/Ultra Shower SystemsReplacement Filter CartridgeWALL MOUNT (single) Pimag Ultra Shower System is the only shower system that combines filtration and PiMag Water Technology. The patented process neutralizes chlorine, the superfine filtration reduces a wide range of water contaminants. To receive optimum performance with your Nikken shower system, replace filter every 6 months, based on average use. This may need to be performed less or more frequently, depending on operating conditions. IT HAS RECENTLY BEEN BROUGHT TO OUR ATTENTION, THAT NON-NIKKEN FAKES ARE BEING ADVERTISED ON EBAY ...IT’S BEST TO STAY AWAY FROM DEALS THAT SEEM TOO GOOD TO BE TRUE. BUY FROM A REPUTABLE SELLER TO AVOID RECEIVING SUBSTANDARD KNOCK-OFFS OR USED NIKKEN MERCHANDISE!! RETURNS: We'll accept return only if the shower filter is unopened & in exact same condition (unwrapped!!) as when sent. All postage, both to & from, is the buyers responsibility. 13831 ***BRAND NEW***