Humidifier Filter Replacement for WF2 Kaz Protec Vicks Relion3020, V3100, V3500, V3500N, V3600, V3800, V3850, V3900, (6 Pack) Aftermarket Product Sourced Exclusively by EFP - Exact Fit Parts High Quality Humidifier Wick Filter fits Kaz, Vicks and Protec models: V3700, V-3700, V3600, V-3600, V3900, V-3900, V3800 and V-3800, V3850, V3100, V3500,V3500N Approximate Measurements: 17-1/2 x 4-3/4 x 1 Includes (6) Humidifier Filters as pictured