Arlington FLBC4580 Recessed Power and Data Round Floor Box for Existing or New Concrete Floor Boxes (Fits in Most 4.5" Inside Diameter Round PVC Concrete Floor Boxes) (Brass) - Amazon.com
Arlington FLBR5420MB Recessed Power and Data Round Floor Box, Brass – Kitchen Power Pop Ups
Steel City Part # P 60 CACP - Steel City 5-3/4 In. Dia Floor Box Cover Brass Duplex Receptacle - Electrical Boxes - Home Depot Pro
Pass & Seymour 1542-TR-FBA Tamper-Resistant Floor Box Assembly. Includestamper-Resistant Receptacle With Brass Plate, Plug, Gasket, O-Ring, And Metal 18 Cubic Inch Box. Brown. | Capital Electric Supply
Leviton Pop-Up Floor Box with Dual Type A, 3.6 Amp USB Charger, 20 Amp Outlet, Brass PFUS2-BR - The Home Depot