Detail Specifications / Descriptions

* Negative Pressure Respirators.
* Blue Soft face piece completely fit to user's face shape. Inhaling aperture and exhaling aperture could be full fit to face piece, thus, inhaling/exhaling one-way valve could avoid leak effectively.
* Blue Soft Medical Class PVC or Silicone Half-face piece approved by ISO 10993 biology compatibility testing.
* Fit the 78mm/80mm diameter of cartridge.
* Face Piece: Medical class PVC or soft Silicone
* Diameter: 80mm or 78mm
* Weight: 175g(w/o cartridge)