60° Cone Heavy-duty polypropylene with smooth walls xternal ribs prevent air lock Steam autoclavable at 121°C (250°F)

Unsurpassed for non-vacuum, high-speed filtration, these clear funnels have internal helicoid ribs to increase the filtration speed. Vertical outer ribs prevent airlock Autoclavable polymethylpentene plastic; unaffected by corrosive liquids Heat resistant to 177ºC (350ºF)