1.5HT, 1.5CBH Maintenance FlangeBlind Flange/ASTM A395 60-40-18 Duct. iron w/ 2 Neop O-rings Part#: BMK109A-A00Quantity*Get Quote
1.5HT, 1.5CBH Maintenance FlangeBlind Flange/ASTM A395 60-40-18 Duct. iron w/ 2 Neop O-rings Part#: BMK109A-A00Quantity*Get Quote