Industry Description
Features:1 1/2IN Depth, For 4 IN Boxes, (8) 1/2 IN, (4) 3/4 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:21CI
Modified Industry Description
4 IN SQUARE EXTENSTION RING, 1/2 AND 3/4 IN KO
AD Description
Appleton® ETP™ 4SSBESPL Welded Square Box Extension Ring With Knockouts, 4 in L x 4 in W x 1-1/2 in D, Steel