fiberglassBOX 9350-BHK Ceiling Box 4 in W 4 in D 2-7/16 in H Thermoset Fiberglass Beige/Tan

Four inch round ceiling box with universal bar hanger, adjustable bar assembly from 16 to 24 in. 4 in Dia x 2-7/16 in D. Speed clamps, 50 lb. fixture rated. 2 hrs wall and ceiling fire rated, UL listed.