iMBAPrice BE1R-2 1-Gang 4.35-Inch x 1.5-Inch Plastic Electrical Ceiling Box Extender for 3.5 and 4 Round or O

Used on 3-1/2 Inch and 4 Inch Round and Octagonal Set Back Ceiling Box Manufactured from 105 deg C continuous use 94 V-0 rated flame-retardant plastic for safer installations This Trimmable box extender is capable of accommodating shallow boxes and avoids obstructions Plastic Material; 1-1/2 Inch; Octagon Shape; 4.35 Inch Diameter; Height 4.85 Inch iMBAPrice 1-Gang Round ceiling box extender in white color, is suitable for use with 3-1/2 and 4-Inch round or octagonal boxes. It features plastic construction. The units are trimmable for shallow boxes or obstructions. It measures 4.35-Inch daimeter x 1.5-Inch.