AirFanta 4Light Personal Laminar Air Purifier: New type of air purifier. Blow laminar, filtrated air stream directly to the face for breathing. Battery built-in, portable.

• LAMINAR FLOW TECHNIC: Unlike other air purifiers to clean the whole room, 4Light aims to provide filtrated laminar stream directly to the nose and mouth to breathe. The laminar flow can reach 30cm distance while drawing very little infiltrated air into the filtrated stream. Other air purifiers need time to clean the whole room, and 4Lite takes only 10 second to create the breath zone. So it is very good for the scene like dinning.
• VERY PORTABLE: 74Wh rechargeable battery inside, can support 24 hours running in Low speed. Total weight of the device is 2.9lb (1.3kg). That makes it very portable, and can be taken everywhere you go.
• ALUMINIUM ALL-ANGLE STAND: A 360 degree rotating stand to allow easy adjusting the stream direction towards the nose. and the stand can be used as a handle.
• THREE FAN SPEED OPTION: low, medium and high, to fit different distance.
• TRUE HEPA H11 filter: 98% filtration efficiency of 0.3 micron particles

AirFanta 4Light Laminar Air Purifier, blows laminar filtrated air directly to the nose and mouth. The advantage of laminar flow is: 1. The laminar flow is soft and constant, can reduce the uncomfortableness from the wind. 2. the laminar flow hardly draw "dirty air" into the "clean air", so that the clean air can last at least 30cm without being polluted. Three fans speed options are provided, marked as "L" "M" "H". It is strongly recommended that keep the device within 30cm distance to your nose , align the outlet direction towards the nose and use "L" speed to get the best filtration efficiency. It has an all-angle stand to adjust the direction of the flow. The stand can also be used as a handle. Size of this device is 37H x 25W x 12D in cm. The device has a 74 Wh battery built-in, can support around 24 hours running in Low speed. The device can be used to charge phones through the Type C port. The filter is true HEPA H11, 98% filtration efficiency for 0.3 micron particles. And it is extremely easy to replace the filter. The Device is not used to purifier the whole room, but to create a fiiltrated zone for personal to breath. So the CADR is not relavant for this purpose.