Used Sani-Matic approximately 500 gallon 304 stainlesss steel tank. 45" diameter X 72" high straight side. Flat welded top and bottom. Top Fittings: 18" Manway missing cover, (1)3" sanitary, (2) 1 1/2" sanitary, (1) 2" sanitary, and (1) 1 1/2" threaded to diptube with mixing nozzle on bottom. 4" sanitary side top inlet. 4" sanitary side bottom outlet and (2) 2" sanitary side bottom outlets. 2" sanitary center bottom outlet connected to a standpipe.