To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account
Zip Code should not be blankEmail and Password should not be blank
Enter Delivery Zip Code
or
Log In
TELL US MORE
Are you currently located in California?
8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)
Password cannot contain space
Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
MSA Advantage® 420 Series Medium Threaded Cartridge Assembly features Facepiece, head cradle, elastic straps, buckle set, yoke with lever, two inhalation valves, two threaded cartridge Adapters and a exhalation valve. Latex-free cartridge is designed for easy integration with other personal protective equipment. Cartridge featuring unique yoke and harness design permits the user to easily donning and doffing the state-of-the-art respirator while maintaining a customized fit. Cartridge easily switches between lock-down and drop-down mode. Cartridge has a over-mold Facepiece and face seal which offers an excellent fit and comfort to the user. This cartridge is also featured with ComforTop headband, a built-in moisture release chin cup hole and the extra-wide head and neck straps.
Features
Respirator boasts several features to increase comfort and provide customized fit
Four-point yoke and harness design promotes easy donning and doffing
Easily switches between lock down and drop-down mode
Designed for easy integration with other personal protective equipment