ANEST IWATA Full Face Airfed Mask Kit AF2100 Including Belt, Regulator & Filter ANEST IWATA Full Face Airfed Mask Kit AF2100 Including Belt, Regulator & Filter Kit Includes: AF2100 Full Face Airfed Mask kit Belt, Regulator & Filter NapeCover Storage bag The AIRFED 2100 protection mask is a compressed air fed respirator which, when supplied with breathable quality compressed air, passes it via a belt-mounted regulator and flexible tube into a visor.