... here we would like to recommend our CN-CA membrane filter discs. the details are as ... below :SPECIFICATION: MATERIAL: CN-CA(Nitrocellulose-cellulose acetate) PORE SIZE: 0.1um, 0 ... , Φ47, Φ50, Φ90, Φ100, Φ106 Φ142, Φ150, Φ200, Φ250, Φ293, Φ300 Remark: Roll Membrane is also available, please ... refer to our showroom. FEATURES: 1. CN-CA is quite good membrane material with quite uniform ...