LED Linear Tube 8FT G13, 38W, 4000K, 5,000LM, Type B, PC + Aluminum, Frosted available as 120-277V input. Double ended are available which can be compatible with shunted or non-shunted sockets. -20°C to 40°C, -4°F to 104°F. PC + Aluminum. Frosted or Clear lens (check below for more info). Bridgelux or Shineon SMD 2835 LED chips. 140° beam angle. Type B double ended. 5-year limited warranty. Actual performance may differ as a result of end-user environment and application.