Used Barbron 8” stainless steel flame arrestor 802001B. 8 3/4” O. D. at top cover, 8” diameter of flame arrestor, 2” tall and 5 1/4” diameter carburetor opening. (1) 5/8” breather port and (1) 1/4” arrestor port. This item appears to have seen very little use and is in nice condition.