EFOY Pro 12000 Duo Operation And Installation Manual page 10

Safety Information
CAUTION!
Impurities in methanol!
Original EFOY fuel cartridges contain methanol that has been approved by
SFC. Even slight impurities or foreign particles in commercially available
methanol may cause irreversible damage to the device, and may nullify
the warranty or guarantee.
Use only original EFOY fuel cartridges!
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