16g Disposable CO2 Cartridges with 3/8'' Threaded Interfaces (10-Pack)

  • One-Click Quick Connect — Self-locking design allows fast, tool-free connection and disconnection — perfect for quick, clean canister filter maintenance.
  • Upgraded Built-in Ball Valve — Precision-drilled metal ball valve offers smooth 90° flow control, superior sealing, and long-term leak-free performance.
  • Leak-Proof Sealing System — Equipped with a leak-proof locking nut and water-flow valve to keep water securely contained and reduce spills during setup.
  • Durable Aluminum Alloy Body — Corrosion-resistant aluminum alloy construction outperforms plastic fittings, preventing cracks, leaks, and damage from wear or overtightening.
  • Wide Compatibility — Ideal for most aquarium systems. Fits 1/2" (12mm), 5/8" (16mm), and 3/4" (20mm) tubing sizes for easy installation across various tank setups.
$19.90
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Note:  Due to shipping restrictions, this product cannot be shipped to Hawaii, Alaska.

 

COMPACT, PORTABLE & TRAVEL-FRIENDLY

FZONE 16g CO₂ cartridge is a lightweight, compact gas source designed for easy portability while delivering reliable pressure output. Small in size but strong in function, they are easy to carry, store, and ready whenever you need a dependable backup CO₂ source.

DISPOSABLE & HASSLE-FREE USE

The 16g CO₂ cartridge is a pre-filled, single-use gas cylinder for instant CO₂ supply with no refilling or maintenance. Simply install into a compatible device and it’s ready to use. Pressure-tested for stable performance, ensuring a safe, clean, and easy experience—install, use, replace when empty.