EFP Humidifier Filter Replacement Holmes B HWF64 (2-Pack) Aftermarket Product Sourced Exclusively by EFP - Exact Fit Parts Filter Replacement for Holmes HWF64, HWF-64, Filter-B, HC24, HC-24 Humidifier Wick Filters for Sunbeam SCM1746, SCM-1746 Includes (2) Humidifier Filters as pictured Approximate Measurements: 19 1/4" L x 6 1/2" W x 1 1/4" T