Suitable for all stoves and heaters that accept gas cartridges. Kampa gas cartridges have an installed CRV, Countersink Release Vent, meaning that the cartridges cannot explode in the event of abnormal gas build up. Suitable for all stoves and heaters that use P220 gas cartridges or Campingaz CP250 Cartridge 227g Pack of 4 CRV safety device
