I have 4 air dryers for sale, great for winterization.  Used, clean, working condition. 2 ea. Davis Instrument  A130W  #1458  14" diameter 2 ea. West Marine Air Dryer with Fan 10" diameter See complete descriptions at Defender, Fisheries Supply, or West Marine Sell all 4 together as one lot for $40 plus shipping from Florida. USPS Rate Chart is about $42 to Seattle, $30 to Maine Rich