HOTOP

Door stops of rubber; Fittings, not of metal, for flexible pipes; Junctions, not of metal, for flexible pipes; Non-metal hose fittings; Non-metal pipe couplings and joints; Pipe gaskets; Rings of rubber for use as pipe connection seals; Rubber wheel chocks; Valves of rubber or vulcanized fiber; Washers of rubber or vulcanized fiber; Watertight rings for plumbing pipes; Window stops of rubber