Vista 53171-ER 2 1/8" Deep Square Extension Box w/ Knockouts

Rana Electrical Supply

4” SQUARE EXTENSION RING WITH KNOCKOUTS 2 1/8” Deep, 30 CU. IN. Mounts on concrete rings. 10 x 1/2” knockouts (on sides). 6 x 3/4” knockouts (on sides). VISTA METAL BOXES PRODUCTS CATALOG