... 2100-3700 872*75*40 20Products Features1.T5 double tube aluminum alloy with reflector,polished aluminum materials,with switch,easy installation,maintenance free,saving ... ,14W,21W,28W,35W;HO serie:24W,39W,54W,80W.4.PF:0.65/0.95,THD<10-30%.Comparing with T5 single ... and goodliness.9.Using high efficiency ballast,10000 hours lifetime. T5 2*36W lamp fixture