Versions exist, and elements including the duration of the cartridge, the positioning with the airflow holes, and the look in the relationship issue can affect compatibility.GuidesGuides 2Guides 3Guides 4Guides 5Guides 6Guides 7Guides 8Guides 9Guides 10Guides 11Guides 12Guides 13Guides 14Guides 15Guides 16Guides 17Guides 18Guides 19Guides 20Guides