Pressure Equalizing Graduated Addition Funnels with Metering Stopcock Disposable Test Tubes Can be used as a

Can be used as a fractionating column when packed or as a condenser when water is circulated through the jacket

See SC152F for PTFE stopcock replacement parts

Constructed of borosilicate glass with a fritted disc

This glass Hirsch filtering funnel contains a built-in glass fritted disc with a choice of Medium (M) or Coarse (C) porosity

Pressure Equalizing Graduated Addition Funnels with Metering Stopcock Disposable Test Tubes Can be used as aDesigned for controlled reagent addition in closed reaction systems, with a pressure equalizing arm that maintains balanced pressure for smooth, controlled dispensing while helping minimize solvent evaporation. Features a PTFE metering stopcock with an adjustable bore plug for precise flow control from dropwise dispensing to full flow, helping prevent sudden overflow or interrupted flow during reagent addition. Features same size top outer and lower