Progress Lighting P8068-21A Clear Alzak Finish Cones For Insulated Ceilings 7-3/4-Inch Outside Diameter, Clear Alzak Clear Alzak Finish For use with PAR-30, PAR-38, BR-30, BR-40 or A-19 lamps Size: 7-3/4-Inch Width Refer to housing for wattage specifications Progress Lighting has over 5,000 lighting fixtures offered in our catalog, the largest single source for residential and commercial lighting