This listing is for adapters only, respirator mask not included

  • Adapts 3m respirators to use filter cartridges with 40mm NATO threading
  • Requires 40mm O-ring or teflon plumber’s tape on threading

Listing Options:
1 Adapter Piece - Enough for one side of the mask
2 Adapter Piece - Enough to have a 40mm filter on both sides of the mask
1 Adapter 1 Cap - Enough for one side of the mask and a cap to block off the other side