4" RECESSED MR16 | GU10 HOUSING OPTIONS 342 INC. Nail free hanger bars are adjustable from 13 5/8” to 24” “Easy-Open” junction box for ease in wiring Side screw to secure hanger bar in place “Quick-Connect” included Junction box is listed for through branch circuit wiring and has four 1/2” knock- outs with true pry-out slots. Two Romex pry-outs simplify Romex installation GUI4-00 is Airtight and prevents airflow between the attic and living areas. The Airtight construction limits air exchange between the plenum and heated and air conditioned areas with double wall housing construction GU10 INSULATED CEILING APPLICATION For insulated ceilings and direct contact with insulation