UV Trojan UVMax D4 Whole House UV Water Filter Treatment. This product is used. Dont hesitate to contact our friendly customer service department! We have a variety of electrical equipment/supplies to include (but not limited to) printers, scanners, computers, headsets, monitors, and more! You never know what treasures you might find! We have a constantly rotating inventory so you may never see the same item twice! Make an offer on this item while it is still available! Thank you for stopping by! The item “UV Trojan UVMax D4 Whole House UV Water Filter Treatment” is in sale since Monday, January 13, 2020. This item is in the category “Pet Supplies\Fish & Aquariums\Water Tests & Treatment”. The seller is “veteransgreenprojectsllc” and is located in San Marcos, California. This item can be shipped to United States.