25" x 30' x 1", Hog Hair Washable Furnace Filter, Filter Is Made Of Coconut Shell Fiber's, Coated With Synthetic Material. Needs No Frame, Up To MERV Rating 4, 30 Day Filter, Effective Against Dust/Lint.
Hogs Hair is a unique type of filtration media consisting of natural organic fibers. Media can be easily cut to any size less than 25" x 30" for a custom fit.

* Long-Lasting, all natural media
* Ideal for hard-to-find sizes
* Easily cut to fit any size less than 25"X30"