Description
3M™ Overspray Guard 400 Pre-Filter is an accessory for the popular 3M™ Maintenance Free Half Mask Respirator 4251, professional respirator suitable for the protection from many gases, organic vapors and dangerous combinations of fine dusts.
Specifically, the 3M™ Overspray Guard 400 Pre-Filter allows you to prolong by 70 % the life of the anti-dust and anti-particulate filters of the main protective masks or respirators 3M™ 4000 Series, including the half mask 4251.
The 3M™ Overspray Guard 400 Pre-Filter are also suitable in all cases where there are high concentrations of pollutants, such as painting and finishing processes in automotive spray paint booths.