- Good diffuser needs good wicks which for the stable cool-mist & vaporizer anti-blocking. This replacement filter refill stick help keep car humidifiers clean and help extend a humidifiers life for the good air
- Compatible with car humidifier diffuser which the same as the product image
- Normally, 1 to 2 weeks, replace the filter. If you regularly use essential oils, need replace 3-6 days.
- Size: 72 x 6.8 mm / 2.83 x 0.27 inch
- Color: White
- 1 x Replacement Sponge Stick