‹› Image H-Series ISO-B Rigid Dust Cap Markets Agriculture & Forestry Jump to Section Product Options Related Products Product Options Hide lower priority columns Part Number All H12DC-AH2DC-AH3DC-AH4DC-AH6DC-AH8DC-ABody Size All 1-1/2"1/4"3/8"1/2"3/4"1"Material All Aluminum H12DC-A 1-1/2" Aluminum H2DC-A 1/4" Aluminum H3DC-A 3/8" Aluminum H4DC-A 1/2" Aluminum H6DC-A 3/4" Aluminum H8DC-A 1" Aluminum Related Products Image H-Series ISO-B Dust Cap/Plug Image H-Series ISO-B Female Plug Image H-Series ISO-B Food Grade Female Threaded Plug Image H-Series ISO-B High Volume Female Plug Image H-Series ISO-B Male Plug Image H-Series ISO-B Repair Kit Image ISO-B Steel Mill 'Slide Gate' Female Threaded Plug