0.2 µm Acrodisc Syringe Filters with GHP Membrane Part Number Description Pkg 4554 13 mm, minispike outlet 100/pkg, 300/cs 4567 13 mm, minispike outlet 1000/pkg 4564 25 mm 50/pkg, 200/cs 4566 25 mm 1000/pkg 0.2 µm Acrodisc PSF Syringe Filters with GHP Membrane Part Number Description Pkg AP-4364 25 mm, AutoPack™ tubes 25/pkg, 200/cs