https://www.ebay.com/sch/i.html?_nkw=Allied+Moulded+1099+N+Nailon+Fiberglass+Switch+Box+3+9+16+Depth+X+2+1+4+X+3+3+4+&_sacat=0&_dmd=2

Allied Moulded 1099-N Nailon Fiberglass Switch Box, 3-9/16' Depth X 2-1/4' X 3-3/4'

Regular price
$143.00
Sale price
$92.00

Highlights: 3-9/16" depth x 2-1/4" x 3-3/4" Cu. ft. in. capacity: 22.5 Ul listed Single gang - new work 2 hour wall and ceiling fire rating Shatter resistant in cold temperatures Nails are installed as fastening devices Thermoset-fiberglass, with angled mid-nails Lightweight, non-corrosive, non-conductive, no ground required, will not melt or distort in high heat