Compact Flourescent Single Walled Housing for (1) vertical mounted lamp with integral NPF electronic ballast. IC Housing adjusts 1 3/8" to accommodate different ceiling thicknesses. Airtight with lensed trims. Supplied with captive hanger bars for 24" joist spacing and can be positioned 90°. Feed thru listed housing with thermal protector. 7 1/2" ht allows use in 2x8 construction. UL Listed for damp location.