Whatman 420400 Polycarbonate Swin-Lok Syringe-Type Reusable Membrane Filters Holders, 47mm Diameter, 6.0cm OD x 6.5cm Height (Pack of 8)

These Swin-Lok plastic membrane filter holders are designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. They easily accommodate Nuclepore track-etched and cast membranes. Syringe compatible. Polycarbonate holder. Female luer slip-fit cap with a male 1/4inch NPT and 1/4inch tubing (multipurpose) base. Membrane: 47mm. Prefilter: 42mm. Filtration Area: 13.8 sq cm. Size: 6.0 OD x 6.5 H. 8/Pack. Whatman #: 420400.