100, 300 og 500 ml funnels, base with 70 µm steel support, no. 8 stopper Outer Spin-lock closure.
Made of type SS316 stainless steel. For 47 mm filters. Filtration area: 11.6 cm². Can be flame sterilized.
Graduations: 100 ml funnel: at 50 ml and 100 ml 300 ml funnel: at 100 ml and 300 ml 500 ml funnel: at 100 ml, 300 ml and 500 ml
See leaflet of the stainless steel filter holders by Rocker.
And see flame sterilization protocol for the steel filter holders.