They are out and will not reorder.
Use 1/2 inch foam rubber , available everywhere, as a substitute. I am in the same boat.
__________________ "If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted then it should be restricted, redesigned or removed from production."
I used the 1/2 inch foam with that peel-off paper on one side just as Melody Ranch recommended. It came from the big box store. I stuck the gasket to the top flange on the opening instead of on the cover. Reach up thru the fan opening, clean the surface with alcohol, and stick it in place. Pull off the old gasket and discard. Then rub the top edge of the gasket liberally with 303 protectant. When the lid has been closed for a while and you open it, it won't stick to the gasket and pull it off.
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