I have one of those and love it! You don't have to buy from a distributor or 3rd party site - go directly to the manufacturer! The cheapest for my 24 x 18" in a store was $120, I could get it online for over $85, but I got it online direct from the maker for $65! That was well worth it by the time you factor in material and labor. They can cut the opening to fit any machine even my ancient one. Also it came in just a couple of weeks!