SeaKing Stores › CO2 fire-suppression cylinder - P3 / Fire Safety Set 2 CO2 fire-suppression cylinder - P3 / Fire Safety Set 2 £49.00 CO2 fire-suppression cylinder - P3 / Fire Safety Set 2. Manufacturer part: P0103000121. Add To Cart Added! CO2 fire-suppression cylinder - P3 / Fire Safety Set 2. Manufacturer part: P0103000121.