Image H-Series ISO-B Dust Cap/Plug Markets Agriculture & Forestry Jump to Section Product Options Related Products Product Options Part Number Body Size Material 1HDP 1/8" Nitrile H1DC 1/8" Nitrile 2HDP-H2DC 1/4" Nitrile 3HDP-H3DC 3/8" Nitrile 4HDP-H4DC 1/2" Nitrile 6HDP-H6DC 3/4" Nitrile 8HDP-H8DC 1" and 1-1/4" Nitrile Related Products Image H-Series ISO-B Female Plug Image H-Series ISO-B High Volume Female Coupler Image H-Series ISO-B High Volume Female Plug Image H-Series ISO-B Male Plug Image H-Series ISO-B Rigid Dust Cap Image H-Series ISO-B Rigid Dust Plug