Polished aluminum reflector with snap on bulb clips Lumen enhancing reflector Will increase light output up to 50% INCLUDES: 1 piece of T5/T6 single bulb Parabolic reflector. Length: 21.65" . Fits T6 Bulb: 20w - 24in This advanced reflector design is engineered to dramatically increase and maximize the amount of light reflection to reach each plant in the given area. The intensive angle reflection increases the lumen availability up to 300%, and light output up to 50% to redirect and spread light rays down deep into the plant comparing to other reflectors. Color : Silver Chrome