Apparatus for filtering drinking water; Coffee filters not of paper being part of electric coffee makers; Filtering units for water filtering; Filters, heaters and pumps sold in combination for use in hot tubs; Plumbing fittings, namely, faucet filters; Strainers for water lines; Swimming pool water cleaning and filtering units; Water filters; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators; Water purification and filtration apparatus