Kootenay Filters Green Line Series use activated carbon from renewable resources – the only filter in our industry to do so. Higher quality standards than competitors means you can have piece of mind that all odors and contaminants will be captured. These filters are lightweight and come with a flange built-on. Proven design with 100% activated carbon. Screened granulated carbon machine packed for consistent quality.
The KFI 425S is a Filter for a 4 inch fan. Only 14 inches tall.