Very low air resistanceBlocks dust and other contaminants from entering filterExtends working life of filter
Very low air resistance, Easily changed, Blocks dust and other contaminants from entering filter. Available in all sizes. A clean Can-Filters Pre-Filter is an excellent way of extending the working life of your Can-Filter.
Can Fan 700790 Can-Lite Pre-Filter 12-Inch KCQUDLDTS