LEVOIT Top Fill Humidifier Replacement Filter: Choose genuine LEVOIT accessory not only protect your humidifier, but also ensure what you're buying is worthy of your investment. : 10 x humidifier replacement filters per packaged box : LEVOIT Humidifier Filter works with ultrasonic Levoit humidifiers in Classic160 Dual 200S Dual 150 Classic 300 Classic 300S OasisMist450S LV600S OasisMist600S Superior 6000S model series : Capture and filter fine impurities and particles to ensure higher