Iso-Butane Canister 4-pack features twin safety devices ? Triple Seam Seal and Rim Vent Release Safety System (TSR-RVR) ? for over-pressure protection. With a bayonet connection and a 2/98 Propane/Iso-Butane mix, it ensures optimal performance for your outdoor cooking needs
- Bayonet connection.
- Propane (2%)/Butane (98%) Mix.
- Rim vent release (RVR) safety feature.