Lew Electric SCF-1 Round Brass Floor Cover - 5-1/4" Diameter - NEW - OPENED BOX Solid brass Flange made to be used with with 4-inch covers (not included) Brass Ships from Oregon
eBay
The Wiremold Legrand 880W1 Series Steel Floor Box is a 1-gang gang box designed for use with wood floors. It is made of aluminum and features a rectangular box shape, making it suitable for interior spaces in any room. The floor box is designed for easy installation with a floor mounting style and a switch control style. This model, Wiremold 880W1, 880W2 & 880W3 is ideal for providing access to electrical wiring in a clean and organized manner. This item is new however it does not come with the cardboard box. 
eBay
Specification Color: Silver Shape: Rectangular Style: Modern Material: Stainless Steel, PC, Tin-Phosphorus Bronze Process: Brushing Mount Type: Floor Mount Indoor/ Outdoor Use: Indoor Assembly Required: Yes Voltage: 125V/15A Interface Type: 1 * DC5V 21A USB, 4 * 15A American Standard Interfaces, 2 * CAT6 Interfaces Filling Height: 15.5mm/0.61in Product Size: 200*130*84mm/7.87*5.12*3.31in Package Size: 24*16*10cm/9.45*6.3*3.94in Gross Weight: 0.95kg/2.09lbs Net Weight: 0.81kg/1.79lbs Package Included 1 * Hidden Floor Socket Box Other Accessories for Installation.
eBay
Specification Material: Aluminum Alloy + Iron Color: Silver Finish: Spray Rated Voltage: Ac125v Rated Current: 20a Applicable Ambient Temperature: 0-40℃ Total Power Outlets: 5(2 * 20a Us Standard Jacks and 3 * Lan) Package Size: 23.1*12.5*8cm/9.1*4.9*3.2inch Product Size: 20*10*5.5cm/7.87*3.93*2.16 Inch Gross Weight: 1.35kg/2.98lbs Net Weight: 1.26kg/2.78lbs.
eBay
It is unmarked, so I do not know for sure. See pictures.
eBay
Rated Power: 4000W. Rated Current: 16A. Water Proof Design: The recessed floor receptacle features water proof sealing gasket that prevents water and dust from entering, making it more secure to use.
eBay
MULTIPLE FLOOR TYPES: Professional popup floor electrical outlet box can be used on multiple floor types, tile, stone, wood, laminate and carpet. Item Type: Popup Floor Electrical Outlet Box. Use: Ground Flush Socket.
eBay
The Carlon Divider Kit for a Round Floor Box # E973K is designed for use in electrical installations. The kit includes a round floor box with a divider, allowing for easier and more organized wiring setups. As a product of the trusted brand Carlon, this divider kit ensures quality and reliability for your electrical equipment and supplies needs. Perfect for business and industrial applications, this floor box divider kit provides a convenient and efficient solution for your electrical project requirements.
eBay