17
Packing, stopping and insulting materials; Non-metallic hoses, tubes and pipes; Rings of rubber; Plastics in extruded form for use in manufacture; Plastic seals; Noise damping and thermal insulation devices; Mouldings of plastic; Plastic pipe connectors; Tube clamps, of plastic; Quick release couplings, of plastic; Transition couplings, of plastic; Metal-threaded plastic couplings; Pipes for floor, wall or ceiling heating or cooling; Pipes for hot and cold water manifolds; Pipes for air distribution; Thermal insulators, Footstep sound insulation; Plastic elements for laying pipes; Plastic rails for laying pipes; Flexible pipes (for underfloor heating); Plastics in extruded form for use in manufacture, Plastic seals
19
Plastic handles to attach structural elements or metal profiles to building elements, walls, ceilings, floors; Plastic anchoring elements for attaching structural elements and/or metal profiles to building elements, walls, ceilings, floors; Plastic supports for pipes, tubes, hoses and cables; Gullies, not of metal; Grates, of plastic; rigid tubes not of metal, For fluids; Building materials, not of metal; Fittings, of plastic; Boards for laying pipes, of plastic; Biscuit connectors for boards; Boards with admixture of graphite; Fire dampers, for use in the following fields: Construction; plastic couplers; Pipes of plastic; Pipes for floor, wall or ceiling heating or cooling; Pipes for hot and cold water manifolds; Pipes for air distribution
20
Manifolds for pipe systems, of plastic; Manifolds for underfloor heating or cooling, of plastic; Manifolds for ceiling cooling or heating, of plastic; Splice connectors (Plastic -) for non-electric cables; Valves, not of metal (taps); Articles of plastics included in this class as plastic fittings; Boxes made of plastic; Packaging containers of plastic; Cable handles, of plastic; Plastics wall plugs; Screws, not of metal; Sealing caps, not of metal; Closures for containers, non-metallic; Valves, nonmetallic; Water-pipe valves of plastics