Full Technical Description: Flexible Luminaire Hanger Type; Electrogalvanized Aluminum Acrylic Painted Feraloy Iron Alloy (Body), Natural Copper Free Aluminum (Cover) Material; 2 Hub(S); UL 1203, CSA C22.2 Approval; 1 Inch Conduit Size; Side, Feed-Through Hub Location; 3/4 Inch Fixture Stem Size; Enclosure Class I Group A B C D, Class II Group E F G, Class III; Constructional Feature Explosionproof, Dust-Ignitionproof; Hub Type Union; EAHC Model