Negative pressure, with threaded connector to EN 148-1 Made of:

1. Face Blank with double revert seal, ergonomic & bellows-like
2. Group that holds in one single body the exhale membrane, the gasket/valve holder & exhale membrane
3. Inner nose cap
4. Five Arms Head Harness
5. Neck Strap
6. Can be used with filters Series 2000 mounted On DUPLA Adaptor P/N: 157900000

Specifications

• Materials
  1. Face Blank: TPE
  2. Visor: Polycarbonate
  3. Head Strap: EPDM
  4. Nose Cap: TPE
  5. Neck Strap: PVC
• Storage: Temperatures between -20 & +50°C with <80%
• Weight: Approx. 580 g
• Classification: Class 2 to EN 140:1998