7E
-
B5
Quick operation instructions
Portable phlegm suction unitModel:7E-B5
Page 1: ...7E B5 Quick operation instructions Portable phlegm suction unit Model 7E B5...
Page 2: ...minutes 2 When adjusting the negative pressure please block the suction tube to ensure that there is no air leakage in the suction tube air leakage will affect the adjustment of the negative pressure...
