Why did gas masks have hoses

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=iOBYIMmlsrU

A video explaining why old gas masks had hoses rather than filters attached directly to the mask, and how most NATO nations had moved away from hose masks attached to big filters by the 1960s, however the Soviet Union and Warsaw PACT carried on for longer. • Support me on Patreon • / weaponsandstuff93 • Please comment, rate and subscribe for more. • Follow me on Facebook and Twitter for updates: • / weaponsandstuff93 • / weaponsstuff93

#############################

New on site