CureUV Brand UVC Bulb for Pristine Water Systems PM 20 Coating:Shatterproof Coating The Aqua Flo Gen 5 The Aqua Flo Gen 5 Residential Premium UV Water Sanitizer System is an ideal choice for home and business owners who want a basic DO NOT attempt to open the air purifier Filter packaging has not been removed Remove filter from packaging before use Significantly reduced airflow Filter packaging has not been removed Remove filter from packaging before use Fan speed is low Press Fan button to adjust fan speed Filter needs to be replaced Replace the air filter as instructed in the Filter Replacement section Not enough clearance on all sides of the purifier Ensure there is at least 38 cm (15 Inches) of clearence on all sides of the purifier Poor air Purification Quality Filter needs to be replaced Replace the air filter as instructed in the Filter Replacement section Room is too large for the air purifier's applicable area Ensure the room is smaller than 200 ft2 Air inlet or outlet blocked Remove objects blocking air inlet or outlet Filter not properly placed in housing Properly place filter as noted in the Before First Use and Filter Replacement sections Filter reset button is still illuminated after replacing the air filter The air purifier has been reset incorrectly See the File Replacement section on how to properly reset the unit Air purifier beeps repeatedly after being powered on or plugged in Air purifier is defective or malfunctioning Inmediately discontinue use and contact Customer Support Food Services and Processing Beverage Services and Processing