Try these (separated by semi-colon)
PRODUCT CODE; Device; Reg; Class
BZE; heater, breathing system w/wo controller (not humi ... ; 868.527; 2
OGG; humidifier nebulizer kit ; 868.545; 2
KFZ; humidifier, non-direct patient interface (home-use ... ; 868.546; 1
BTT; humidifier, respiratory gas, (direct patient inter ... ; 868.545; 2
KCO; inhaler, nasal ; 874.522; 1
CAF; nebulizer (direct patient interface) ; 868.563; 2
CCQ; nebulizer, medicinal, non-ventilatory (atomizer) ; 868.564; 1
JPW; pump, nebulizer, electrically powered ; 874.522; 1
EPN; pump, nebulizer, manual ; 874.522; 1
CAD; vaporizer, anesthesia, non-heated ; 868.588; 2