Sherwood Scuba SR2 User Manual page 6

WARNING
Nitrox: This Sherwood regulator is manufactured for use with standard air
or enriched air nitrox (EAN) with an oxygen component not to exceed 40%
at a maximum pressure of 3500 psi (240 BAR). If the regulator is used with
standard air at any time it may no longer be suitable for use with nitrox
unless it is reconditioned for nitrox use by a dealer or other expert trained in
the proper cleaning methods. Reconditioning involves cleaning to remove
residual hydrocarbons that may have been introduced through exposure to
standard air. Failure to properly clean the regulator may increase the risk of
fire when used with nitrox. Such risk could result in death or serious injury.
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