Cylindrical vessel with a 2 mm bore PTFE stopcock at top, GPI threaded side port, angled, and #15 Ace-Thred at bottom that accepts a PTFE adapter with removable filter disc and a PTFE shut-off valve. PTFE adapter has a "front"-type seal using a CAPFE (PTFE encapsulated silicone) O-Ring to make a compression seal in the #15 Ace-Thred on vessel. Porosity C (25-50 micron) glass filter disc is press fit into recess at top of the adapter and it can be replaced easily. Other end of adapter has a 1/4-inch FNPT thread that allows connection of a 2.5 mm bore PTFE shut-off valve with a luer extension. Supplied with a solid cap for side port. The package consists of vessel only.