Description: OOTDTY fresh and advantageous Features: Material made from filter out cotton, pleasant quality. Suitable for USB Water Bottle Humidifier. Help the machine to Diffuse and Can be sheared in shorter you need. low temperature resistant. Can be Used to filter out water. Function: low temperature resistant filter out water filter cotton Can be sheared Diffuse and Directions for replacement: 1 the water for tank 2 out the clear out plastic part(notice the at the bottom) 3 out the filter out and replace the hot filter out four within the filter out plastic part(notice the at the bottom) 5 the water for tank Specifications: Material: Filter Cotton Size:0/0''(approx) Color:White Quantity: 10pcs/1bag Note: 1cm=10mm=0 No retail package. Please enable 1-3mm error because of instruction manual measurement. pls ensure you do not mind before you bid. Due to the adaptation between varied monitors, the image won't reflect the particular shade of the item. Thank you! Package Includes: 10pcs Filter Cotton Sticks(other accessories in the picture is not included.)