Gast Doerr Vacuum Pump Milk Pump Maple Syrup Sap. Had this installed on our maple sap vacuum line. We bought as new old stock had never been used prior to us owning it.The item "Gast Doerr Vacuum Pump Milk Pump Maple Syrup Sap" is in sale since Wednesday, March 4, 2020. This item is in the category "Collectibles\Advertising\Merchandise & Memorabilia\Other Merch & Memorabilia Ads". The seller is "mykitchendrawer" and is located in Harrison, Maine. This item can be shipped to United States.