R125 fitilar zafi infrared yana nufin matsakaicin diamita na kwan fitila shine 125mm,
kwan fitila mai zafi R40 yana nufin sifar kwan fitila,
iri daya ne. don Allah a duba mai zuwa:

Su ne fitilar infrared gilashi mai ƙarfi, gilashi mai ƙarfi shine hujja ta fesawa, don haka ana amfani da fitilar zafin infrared don dabbobi, misali, ga masu ƙona alade, injin alade, kwan fitila mai zafi don kaji, da sauransu.