Vacuum filtration assembly funnel stems

Vacuum filtration assembly funnel stems, glass membrane (support), membrane diam. 47 mm, connector for 40/35 joint (fritted glass support with side arm)

Vacuum filtration assembly funnel stems, glass membrane (support), membrane diam. 47 mm, connector for stopper

Vacuum filtration assembly funnel stems, glass membrane (support), membrane diam. 90 mm, connector for 40/35 joint (fritted glass support with side arm)

Vacuum filtration assembly funnel stems, glass membrane (support), membrane diam. 25 mm, connector for stopper

Vacuum filtration assembly funnel stems, no membrane support, membrane diam. 47 mm, connector for stopper

Vacuum filtration assembly funnel stems, stainless steel membrane (support), membrane diam. 47 mm, connector for stopper