... 2) Series: 2X18W, 2X36W, 3X18W, 3X36W, 4X18W, 4X36W3) Types: T5, T8 Fluorescent tube4) Can be with magnetic ballast or electronic ballast5) Body ... steel plate,0.4mm thickness6)Mirro aliuminum reflector, very good light reflector ,and eye protection.7)Product size:598*598* ... 82mm 2feet *2 feet8)Light distribution: direct9)Luminance control: CIBSE LG3 CAT-210)Protection ...