Features ● Equipped with a newly developed head strap, making it even easier to wear. ●The Mighty Micron Filter is an electrostatic filter that has both high collection efficiency and low intake resistance. Applications ●For work with a small amount of dust or when handling dust with low toxicity. ● For places where welding fumes are generated. Specifications ●Built-in fit checker ●With filter ●National certification number: No. TM540 ●Standard: RL2 ●Exhaust rubber valve: T-6K type ●Intake rubber valve: round (black) ●Head strap: type RB ●Compatible (filter ): For Mighty Micron Filter 1005 ●Material (face piece): Silicone rubber ●Particle collection efficiency (%): (average measured value) 99.1 ●Reference mass (g): 145±20 ●Exhaust resistance (Pa): (average measured Value) 33 Particle collection efficiency (%:) (manufacturer standard value) 95.0 or more Intake resistance (Pa): (average measured value) 58 Intake resistance (Pa): (manufacturer standard value) 50 ± 25 Mass ( g): 145 Intake resistance rise value (Pa): 83 Exhaust resistance (Pa): (Manufacturer's standard value) 32 ± 20 Asbestos (asbestos) countermeasures: Level 3 compatible Koken Dust mask, koken 1005r-08, Koken Dust Mask 1005r, Respirator Koken dustproof mask 1005r, masker pernapasan