**Safety Recommendation: CO2 Cylinder Use for Byrna Launchers**
For optimal self-defense readiness, it is recommended to keep an unpunctured cylinder in your Byrna launcher at all times. Be aware that punctured cylinders may leak over time, potentially compromising your device's effectiveness.
**Please Note:**
- **8 Gram Cartridges:** Compatible ONLY with EP and SD models.
- **12 Gram Cartridges:** Compatible ONLY with LE and TCR models.
