Full Technical Description: Drain, Hub Type; Electrogalvanized Aluminum Acrylic Painted Feraloy Iron Alloy/Ductile Iron Body/Cover Material; Female, Female Connection Type; UL 1203, CSA C22.2 Approval; Class I Div 1 and 2 Group C D, Class II Div 1 and 2 Group E F G, Class III Enclosure; 1 Inch Trade Size; 2-7/16 Inch Turning Radius; Constructional Feature Dustproof, Explosionproof, Ignitionproof; Material Copper Free Aluminum/Ductile Iron (Closure For Drain), Electrogalvanized Aluminum Acrylic Painted Feraloy Iron Alloy/Electrogalvanized Steel (Closure Plug), Stainless Steel (Drain), Electrogalvanized Steel (Nipple); Internal Volume 10 Cu Inch; Size 3-1/2 Inch W X 3-7/8 Inch D X 4-15/16 Inch H; EZD Model