SimPure MCE Micro Disc Membrane Filter, Sterile Gridded Individual Pack, 47mm Diameter and 0.45um Pore Size Hydrophilic Filter Paper, Pack of 100 24 $23.99 $ 23 . 99 ($0.24/Count) MCE Membrane Filter, Aijiren Sterile MCE Gridded Membrane Filter, Diameter:47mm, Pore:0.45 Micron,Pack of 100 1. Send Inquiry.