Tamper evident screw cap with degassing / aeration valve

Closure that allows two-way venting for either pressure or vacuum relief (pressure equalizer)

Insert enables airflow and prevents packaging deformations for even the most highly concentrated chemicals

For releasing and consuming gases, temperature differences and altitude changes

Allows cans and containers to breathe, equalizing pressure and reducing condensation while filtering out liquids and other contaminants

Only allowing air and gas molecules to pass through the membrane

Containers and jerry cans won’t bulge or collapse anymore!

HP1117 - DIN 45 jerry can vented tamper evident cap D15 vent

HP1118 - DIN 45 jerry can vented tamper evident cap D17 vent