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This glass Buchner filtering funnel contains a sealed-in perforated glass disc rather than a fritted disc
and two Teflon® faced silicone rubber septa (R1420)
Bottom Joint: 34/45
Specification:
Hirsch Filter Funnels have a standard taper inner (male) joint with a sealed-in drip tip and a side hose connection to a vacuum source
Ball Socket to Taper Joint Adapter Joint Size:Top Joint: 35/20; Bottom Joint: 19/22 This glass Buchner filtering funnelUsed for connecting a top spherical socket joint to a lower standard taper joint. Top spherical socket joint (35 20), bottom standard taper inner joint. Made of borosilicate glass for excellent chemical durability and mechanical strength.
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