Wickomar UV5000 system for purifying water. Possibly could be used to remove bacteria from sap. If you search on-line for this item you can get all the specs. I don’t know if the UV bulbs are good but new ones can be purchased. One of the blue caps has a crack in it so setscrew doesn’t hold it in place. This unit purifies water at a rate of 36 to 87 gallons per minute. Pick up only in Montpelier, VT.