The E41L2Q31 growth chamber is frequently used for rice, tomato, cotton or short/medium height plants. SciWhite with red LEDs are dimmable from 10-100% output w/ up to 800 µmoles/m2/s irradiance @ 6".IntellusUltra controller, touchscreen, additive CO2 to 5000 ppm. Interior/exterior of smooth white galvanized steel w/ foamed-in-place non-CFC insulation and a stainless-steel floor for corrosion resistance. Air circulation inside chamber is from a specifically designed adjustable air diffuser. Two white epoxy coated steel wire shelves adjustable in ½” increments. Self-contained air-cooled condensing unit w/ hot gas bypass system for continuous compressor operation extends life, ensuring precise temperature control by alternately cycling refrigerant and hot gas to coil; also prolongs life of compressor, and eliminates risk of ice build up in coil. Top mounted refrigeration system allows easy access for maintenance and cleaning. Contact sales@percival-scientific.com for more options.