Pack of 4 x 227g bayonet-fit gas canisters Butane, iso-butane and propane tri-blend gas MSF-1A bayonet connection - fits most compatible camping stoves CRV Countersunk Relief Valve for safe pressure release Manufactured to EN417 European standard Corrosion-resistant steel construction Suits camping, caravanning, fishing and outdoor cooking 908g total gas content across the 4-pack Green Gas MSF-1A Camping Gas Canister - Butane Tri-Blend 4 Pack for Outdoor Use Tri-blend gas mixture for reliable outdoor performance: Each canister contains a butane, iso-butane and propane gas mixture, which performs more consistently in colder outdoor conditions than standard butane-only cartridges. The 227g fill weight provides a solid fuel supply for camping stoves, portable cookers and other compatible gas appliances. Bayonet connection with built-in pressure safety: The MSF-1A bayonet connection fits a wide range of portable gas appliances and stoves that accept this standard cartridge type. Each canister features a CRV (Countersunk Relief Valve), which releases gas in a controlled manner if internal pressure rises excessively, adding an important layer of safety during storage and use. Built and certified to European standards: These canisters are filled and manufactured in accordance with EN417, the recognised European standard for portable gas cartridges. The corrosion-resistant steel construction is built to withstand the demands of outdoor use, from camping trips and fishing to caravan and motorhome cooking. Shop the full Gas Canisters & Cartridges range from Heavins.ie, serving customers across Ireland. Specifications Brand: Green Gas (Mectec) Model: MSF-1A Gas mixture: Butane, iso-butane and propane Gas content per canister: 227g Pack quantity: 4 canisters Total gas content: 908g Connection type: Bayonet (MSF-1A) Safety feature: CRV Countersunk Relief Valve Standard: EN417 Canister material: Corrosion-resistant steel Refillable: No Weight per canister: 330g (gross) Warranty: 1 Year What's Included in the Box 4 x Green Gas MSF-1A 227g gas canisters