Boss Office Products Black Contemporary Ergonomic Adjustable Height Swivel Task Chair Porcelain Tile The Hydro Crunch 315 Watt CMH The Hydro Crunch 315 Watt CMH Conversion Kit allows you to convert the light reflector with a standard mogul socket to use with a 315 Watt Ceramic Metal Halide lamp (two prong base) with our socket adapter and 315 Watt CMH ballast This drill attachment is meant to be used on flat surfaces only Breathable mesh back Breathable mesh seat cushion Flip arms Spring tilt mechanism Upright locking position Pneumatic gas lift seat height adjustment 25in black nylon base Hooded double wheel casters 5 Seat Back Width (Inches) 18 Seat Bottom Depth (Inches) 19 Seat Bottom Width (Inches) 18 Seat Bottom Thickness (Inches) 4 Weight (lbs