First Defense 1.3% MK-4 Foam OC Aerosol

The MK-4 is an ideal size for patrol officers to wear on a duty belt and will deliver 20-25 short bursts of OC at an effective range of 10-12 ft. This 1.3% MC OC aerosol product utilizes a foam delivery method providing a powerful and fast-acting foam that coats the face upon contact.