Air valves, PP, PFAS Analytic Bohlender

 

The integrated non-return valve avoids evaporation of solvents and lets flow ambient air into the bottle in case of vacuum. The upstream PP membrane restrains pollutant particles and other contaminations from outside.

• Free from polyhaloolefins
• Lid with aeration opening and Luerlock connector
• Clip-on service life indicator

Material: PP