Unlaminated Fluoropore™ (PTFE) Membrane FilterClear Sorting & Filtering Show Filter Hide Filter; Catalog Number Description Pore Size Filter Diameter (⌀) Pack Size; FHUP04700: Fluoropore Membrane Filter 0.45 µm 47 mm 100 pack, PTFE, hydrophobic, unlaminated, 0.45 µm, 47 mm, white, plain Show Pricing & Availability