A premium, top of the range Grow1 Adjustable Arched Reflector. The super reflective surface is vapour coated with molten glass, titanium dioxide and is PVD / ceramic coated creating an enormous 95-97% reflectivity. This is the most reflective and most durable reflective surface on the market and it will maintain full refection for up to 20 years. Dimensions Overall dimension at Widest Setting 100cm x 70cm (39.5″ x 27.5″) Perfect for a 1000w DE Lamp Features Double parabolic lighting reflector Twice the power and efficiency of most other reflectors Corrosion resistant 97% reflective Glass coated super alloy Supplied with a Super Spreader