Lew Electric MOI4-AV-COMM4-SS-AHC Customizable, flush mounted, 2-Hour Fire Rated Poke-Through with four inch core, Decora opening for CI-5BWPA (4) communication openings, Articulated Hinged Cover Turn, Stainless Steel FinishLew Electric MOI4 AV COMM4 SS AHC MOI4 AV COMM4 SS AHC Product Description Customizable, 2 Hour Fire Rated (concrete depth: 4. 5 minimum), Four Inch Core, Poke Through Assembly. The MOI4 multi connect is a four inch core, multi use, flush to finished floor round poke through assembly. It provides easy access to power, voice, and data connections in unobstructed flush to floor required applications. The attractive appearance and innovative design