Polyester damp-proof diffuser light for damp, wet and dusty rooms in trade, commerce, industry, agricultural premises, multi-storey and underground car parks, power stations, civil defence rooms, etc. (If chemical substances are present/occur: enquire). Glass fibre reinforced polyester housing, foamed polyurethane seal, injected PMMA glass (clear with internal prisms), 3-part captive plastic fasteners, plastic reflector can be hung with mounted electrical components covered to prevent contact, 3-pin connection terminal, 2 M20 sealing plugs, classic DV up to 5 x 2.5mm possible, pre-pressed holes for direct ceiling mounting, rubber seals included.