Thomas & Betts UA9FL 90 Degree Plain-End Special Radius Elbow, 3" Sheet Metal Screws and listed per UL 441
Yard notes & kiln story
Description
Thomas & Betts UA9FL 90 Degree Plain End Special Radius Elbow, 3" Sheet Metal Screws and listed per UL 441 and listed per UL 441 for installation as a Type "B" and B W gas vents to be installed in single and multi story buildings in accordance with the standards of the national fire protection association Canvas w HD drawstring & brass grommets