- Durable, break-resistant, non-toxic polysulfone exhibits low protein- binding and is easy to clean
- Same funnel design as glass funnels without breakage problems
- Upper reservoir is graduated in 25 mL increments from 100 to 250 mL
- Unique fit of upper and funnel sections ensures no leakage or bypass even after autoclaving
- Membrane support plate firmly holds 47 or 50 mm membrane
Complete with clamp for use in microbial and particulate analysis. Snug-fitting cover has three ports, each fitted with friction-fit cap. Spring-loaded clamp holds funnel and stem together, yet allows easy access for retrieval and replacement of membrane. Clamp allows one-handed operation. Funnel may be used with any filtering flask or filter manifold which has a No. 8 rubber stopper with a 9/16” (15 mm) hole. Funnel and clamp, Thomas number 4618Q60, also available separately.