CO2 Perma-Seal O-Ring

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If you’re tired of swapping out flimsy plastic washers every time you change your CO₂ cylinder, it’s because standard O‑rings simply aren’t built for high pressure! They warp, crush, and eventually leak, often draining a full tank overnight. The CO₂ Perma‑Seal solves that permanently. It fits standard CGA‑320 cylinder valves and installs with a simple Allen key, creating a solid, metal‑reinforced seal that holds its shape under pressure. By locking in a stable, long‑term connection, it prevents sudden leaks, saves gas, and keeps your CO₂ system running safely and efficiently.

Key Features & Benefits

• Replaces cheap, disposable plastic washers with a heavy-duty permanent seal that never requires routine replacements.
• Guards against catastrophic, high-pressure gas leaks to keep your daily dosing rate rock-solid and stable.
• Locks tightly into standard CGA-320 gas cylinders using a simple Allen wrench before you thread on your regulator.

Product Specifications

• Product Type: High-Pressure Permanent Cylinder Connection Washer
• Thread Compatibility: Engineered for standard North American CGA-320 CO₂ gas cylinders
• Regulator System Pairing: Compatible with UNS Mini and UNS Pro Dual Stage Regulators
• Installation Core: Inserts and locks down securely using a standard Allen wrench / hex key

What’s in the Box?

• 1x Premium High-Pressure CO₂ Perma-Seal O-Ring