I've always heard, "Mold and Fungus Protection" or maybe "Prevention". 73, Al, W8UT www.boatanchors.org www.hammarlund.info "There is nothing -- absolutely nothing -- half so much worth doing as simply messing about in boats" Ratty, to Mole On 9/18/2011 2:30 AM, Ray wrote: > MFP? someone explain the Letters pls >