Use the Nalgene™ Polysulfone Filter Holder with Funnel in conjunction with any filtering flask or manifold that accepts a suitable rubber stopper with hole. These filter holders with funnel provide an environmentally friendly alternative to disposable filters and are made of washable, reusable, and autoclavable polysulfone. The graduated upper chamber allows for easy sample measurement. Analytical and sterilization support plates are provided.
Includes: funnel, polypropylene copolymer cover with three ports, 3 friction-fit TPE caps, support plate for 47mm membrane, no-twist vacuum silicone gasket which can replace a No. 7 or 8 rubber stopper with 0.56" (15mm) hole, and aluminum clamp.