Air filtering units; Air filters for domestic use; Apparatus for filtering drinking water; Coffee filters not of paper being part of electric coffee makers; Filtering units for water filtering, producing potable water for domestic use; Filters for air conditioning; Filters for drinking water; Ice boxes; Plumbing fittings, namely, faucet filters; Reusable capsules, not of paper and sold empty, containing a filter for use in coffee brewing machines; Swimming pool water cleaning and filtering units; Water filters; Water filtration and purification units and replacement cartridges and filters therefor