SIMPLICITY

Filtering units for filtering water in hot tubs, swim spas, and pools for household use; Filters for water filtering apparatus for use in hot tubs, swim spas, and pools for household use; Filters, heaters and pumps sold in combination for use in hot tubs, swim spas, and pools for household use; Water filtering apparatus for use in hot tubs, swim spas, and pools for household use; Water filtration and purification units for use in hot tubs, swim spas, and pools for household use and replacement cartridges and filters therefor for hot tubs, swim spas, and pools for household use