A device with clasp designed to automatically close vehicular air vents during submerged travel or when crossing contaminated areas.
NSN 5930-00-723-4388
NSN 5998-00-363-7377
NSN 5990-00-780-8915
NSN 5905-01-142-2894
NSN 6320-01-147-9177
NSN 5960-01-363-3805
NSN 6240-01-436-9868
NSN 6610-01-193-2169
NSN 5835-01-017-3860
NSN 5935-00-881-3241
NSN 6220-01-127-2125
NSN 5925-00-464-4675