400 Series Half-Mask Respirator

The Advantage 420 Half-Mask Respirator is uniquely designed to incorporate user-friendly features including maximum comfort, improved donning and fit, enhanced safety, and reduced maintenance cost.

The Advantage 420 Respirator has a Patent-pending UniBond over-molded one-piece silicone facepiece, helping to eliminate possible leak paths which may be present in other competitive silicone half-mask respirators. All plastic MSA Advantage cartridges as well as metal MSA Comfo threaded cartridges can be used with the Advantage 420 Respirator.

Maximum Comfort

Head harness and facepiece integrate well with other PPE

Drop-down harness position allows respirator to be removed while retaining head protection

One-piece ComforTop cradle headband eliminates pressure points when head protection is worn