7231-61 PTFE Locking Stopper Separator Funnel, 500mL Squibb Style for Precise Liquid Separation - Ideal for Chemistry Labs, Organic Extractions & Solvent Purification

European style funnel with new leak-tight, locking stopper that will not fall out during shaking or transportation. Outer ground joint at top is a Rodaviss joint. Stopper can be secured in top joint via cap and O-ring for a positive, leak-tight seal; no worry of fallout. Funnel body supplied with stopcock plug only. Complete item supplied with plug, stopper, cap and O-ring.