Envision Lightvent 8" x 3" RoundedENM2 1 T8 LIGHTVENT, ENM2 2 T8 LIGHTVENT, ENM2 3 T8 LIGHTVENTHousing AA 6063 T6 extruded aluminum forming an 8" x 3" rounded channel.Die - formed, white reflector with a minimum 90% reflectance.Satin anodized or white paint standard; custom colors available.Specify 120 volt, 277 volt, or 347 volt. UL and C-UL listed and labeled. 4', 8' and 12' lengths in a single section for suspension spacing of 4', 8' and 12'.Refer to specification data sheet for specific product information