Brand New Koitoilet bottom drain 3" PVC # KTR30 BY DREAMPOND. Definitely the best way to help keep the pond clean. Its easy to use and install. Please use the photos to grade condition. I will combine shipping. I will take more photos. I will answer any questions. I have 1000's of VINTAGE TOYS GI Joe, star wars, star trek, metal cars, slot cars, fishing plugs soft rubber, lead molds, MINT boxes of sports/non-sports cards. etc. etc.  to list on my EBAY STORE so please check that out. Thanks Jeff