In response to customer queries, we confirm that Fisher & Paykel Healthcare masks do not contain magnets.
Further information is available here

InfoSmart Compatible Devices

InfoSmart™ is compatible with the following Fisher & Paykel Healthcare OSA Flow Generators:

InfoSmart Web
SleepStyle, ICON/ICON+ Series
 
InfoSmart PC
SleepStyle, ICON/ICON+ Series
InfoSmart Web
SleepStyle, Auto/CPAP (SleepStyle Series), Auto/Premo/Novo (ICON Series) and HC254 (HC200 Auto Series). 
 
InfoSmart PC
SleepStyle, Auto/CPAP (SleepStyle Series), Auto/Premo/Novo (ICON Series), HC604 (HC600 Series), HC234, HC238 (HC200 Series) and HC254 (HC200 Auto Series). 
 
Not all devices are supported in all countries.  

InfoSmart Web
SleepStyle+, SleepStyle, ICON/ICON+, HC200 Auto Series

InfoSmart PC
SleepStyle+, SleepStyle, ICON/ICON+, HC600, HC200 and HC200 Auto Series