Lew Electric MOI4-AV-COMM4-SS-TSC Customizable, flush mounted, 2-Hour Fire Rated Poke-Through with four inch core, Decora opening for CI-5BWPA (4) communication openings, Threaded Security, Stainless Steel FinishLew Electric MOI4 AV COMM4 SS TSC MOI4 AV COMM4 SS TSC 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