Rearming packs for automatic lifejackets including gas cylinder are available in and for the following:

• 23g - For all junior Crewfits serials starting '0-9' or 'R' 
• 33g - For all Crewsaver 150N lifejackets with serials starting '0-9' or 'R' 
• 60g - For all Crewsaver 275N lifejackets automatic lifejackets