• The PRODUCT is a SET PRICE, 1 SET IS 2 PIECES. It offers maximum comfort to the user thanks to its lightness. Breathing resistances are low. It creates a good and balanced weight on the face. .Excellent as a result of its unique isosceles trapezoid shape .Resistance to breathing is low. It creates a good and balanced weight on the face. .Provides excellent field of view as a result of its unique isosceles trapezoid shape. .The bayonet mounting system ensures precise and safe clamping. .3MT 6000 Series Filters can all be used in conjunction with 3MT 5000 grain filters. .CE marked. .EN141/CE marked.