40 Pieces Humidifier Filter Cotton Refill Travel Mini Humidifier Filters Sticks Car Humidifier Replacement Parts for Portable Personal USB Powered Smart Humidifiers in Office Bedroom (5.3 Inch)

Sufficient quantity: you will get 40 pieces white humidifier filter wicks, each one is approx. 13.5 cm/ 5.3 inch in length and 0.3 inch in diameter, compatible for most portable personal USB mini humidifier, please make sure your length and diameter before purchase