• Four inch inside diameter
• Choose from two connection styles: Surface mounted (MOI4) or Recessed (MOI4-REC)
• 2-hour fire rating (concrete depth): 4.5″ minimum for Surface mounted MOI4; 6″ minimum for Recessed MOI4-REC
Poke-Through
MOI6-REC
• Six inch core
• Recessed connectors
• 2-hour fire rating (concrete depth): 6″ minimum for Recessed MOI6-REC
Poke-Through
MOI8-REC
• Eight inch core
• Recessed connectors
• 2-hour fire rating (concrete depth): 6″ minimum for Recessed MOI8-REC
