Used SPARKLER Pressure Leaf Filter Model 18-D-10 SP. Jacketed Pressure Filter. 316 Stainless Steel Contact Parts. Approx. 2 to 2.5 Cu.Ft. cake, 16-18 Sq.Ft surface area. Rated 150/FV PSI @ 350 Deg.F vessel and Jacket rated 150 PSI @ 350 Deg.F. NB# 2736. Last use was Sanitary, Pharmaceutical. Openings on bottom are 1.5"; 1/2" and 3/4"