1.CE/CB certified A5 series T8 Double fluorescent light fixture 2.Full copper wire ballast, powder coating, 0.40mm steel thick Advantages of T8 Double fluorescent light fitting(A5 series)1) Novel and nice design2) Steel thickness of lamp body: 0.4mm3) Full copper-wire ballast included4) Anti-rust, powder coating lamp body5) Specifications: 1X20W, 2X20W, 1X40W, 2X40W6) CE/CB certified