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Defense Technology First Defense Inert MK-4 Foam OC Aerosol

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Item #: 1011751 DEF TECH

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The First Defense Inert formulation provides the same functionality and targeting properties as active product duplicating the delivery system for training purposes. The MK-4  will deliver 20-25 short bursts of OC at an effective range of 10-12 ft. This inert aerosol product utilizes a foam delivery method providing a powerful and fast-acting foam that coats the face upon contact. 



Non-flammable / Electronic Discharge Weapon (EDW) safe.



  • The foam delivery method is a powerful and fast-acting foam that coats the face upon contact. 
  • The green canister represents the inert training units which duplicate the delivery system for live products. 
  • The MK-4 is an ideal size for patrol officers to wear on a duty belt. 




Please contact Curtis Blue Line for ordering information and in-depth product specifications.