Size : 3 In. A Size : 6-5/8 In. B Size : 4-1/4 In. C Size : 4-1/4 In. Material : Alum Liner/Galv Steel Jacket Temperature Rating : 550 F Grade : UL Listed
Wall Thickness : 4-1/8 In. - 7 In. Size : 3 In. A Size : 3-5/8 In. B Size : 7 In. Material : Galvanized Steel Temperature Rating : 550 F Grade : UL Listed