Price For: Each Standards: ASTM E814 (UL1479), CAN/ULC S115, UL Classified Fire Rating: Up to 2 hr. Shape: Round Item: Firestop Grommet Length: 1-5/8" Material: Plenum Grade Plastic Color: Red Width: 9/16" Includes: Opening for up to 0.27" Cable Country of Origin (subject to change): United States