1 inch MILLIPORE PROSTACK 10 STACK MEMBRANE FILTER Stock Number: C-2383 Stainless steel frame with 1 inch tri-clamp in and out (10) 15 x 8 x 3 inch membranes Membranes marked PSDVAG101 0 65 um O/a 22 x 22 x 60 inch tall on ss stand (1) available Posted in Filters.