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

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

Specifications

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