Lightedge Indirect-Open 8" x 1 3/4" Shallow AngularEGSAM2 2 T5/T5HO INDIRECT/OPEN, EGSAM2 2 T8 INDIRECT/OPENHousing and endcap AA 6063 T6 extruded aluminum forming an 8" x 1 3/4" angular channel.Die - formed reflectors with baked white enamel finish (nominal reflectance 90%). T5HO/T5 with specular aluminum. Satin anodized standard; custom colors available.Specify 120 volt, 277 volt, or 347 volt. UL and C-UL listed and labeled. 4' and 8' lengths in a single section for suspension spacing of 4' and 8'.Refer to specification data sheet for specific product information