Katadyn Combi Filter. - Order # 22374 Price $159.95 + s&h. Optional Indoor Faucet attachment is #22377 $54.95 + s&h. Katadyn's proven 0.2 micron creamic filter has been combined with an activated carbon filter, creating a system that eliminates not only bacteria and micoorganisms, but also noxious chemicals & most bad taste. A high performance, easy-to- use water treatment plant that can be taken anywhere. Replacement Filters Order # 22375 Ceramic $84.95. and Carbon replacement 2 pack (22376) $14.95 + s&h. Please call if you have any questions. Toll FREE 1-800-321-2900. m-f 10-6 pt.