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.

• 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

• AnthroCurve™ II multi-ethnic face seal based upon new proposed NIOSH test panel improves fit-testing among diverse workforce
• Patent-pending lock-down harness position allows a personal fit without further user adjustments

• No loose or dangling straps to impede operation or vision
• Latex-free; reduces risk of adverse individual irritation
• Textured inner facepiece seal minimizes slippage, improves fit
• Patent-pending UniBond over-molded facepiece eliminates leak paths

• Training available on MSA-U® reduces your training and administrative time
• Only three major components reduce your parts inventory and reduce maintenance time
• High-quality LIM silicone provides greater durability and product life
• Bayonet and threaded cartridge options allows use of all MSA cartridges.

MSA Advantage® 420 Cartridge Installation