Fltr Sys, 1000ml, .2um, CN, S, Ind, 1 / 12. Corning® Vacuum Filter/Storage Bottle Systems are designed for filtering and storing cell culture media, biological fluids and other aqueous solutions. The systems consist of a 1000mL polystyrene receiver bottle and filter funnel with a 0.22 µm pore 54.5cm² cellulose nitrate membrane.