• Equalize pressure and prevent containers from bloating, collapsing or leaking
• Enable the use of thin-walled, light-weight packaging to minimize packaging and disposal costs
• Prevent liquid penetration and continue to vent even after exposure to liquids containing organics, surfactants, oils and solvents
• Available in a wide array of sizes that simply replaces any existing liner material
• Typically no design change necessary to existing cap
• Flexible to work with — peelable or permanent welds for HDPE and PET bottles