Hubbell Raco 4 in. Octagon Box, Drawn, 1-1/2 in. Deep, Two 1/2 & Six 3/4 in. KO's, Raised Ground, Gray, (126): Electrical Boxes: Amazon.com: Tools & Home Improvement
Carlon 1-Gang 4 in. 20.5 cu. in. PVC New Work Octagon Electrical Ceiling Box with L-Bracket A615DEL - The Home Depot
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