Featuring a rim vet release safety device, the Number 8 butane canisters make enjoying the outdoors simple and easy. Suitable for portable butane stoves, heaters and other approved butane canister devices. The Rim vent release (RVR) feature will activate to prevent pressure build-up and ensure safety. Never use inside. Always use in a ventilated area. Store in a cool dry area away from direct sunlight.
RVR safety device will in an overpressure situation.