Funnels with cover reduce volatile emissions in the laboratory. Long funnel stem reduces evaporation. Built-in vent prevents funnel overflow. NALGENE containers are recommended and approved containers. Polypropylene/PTFE 0.45 vent plug; and filter. Available in three sizes. 40mm closure/funnel adapter size mates with Merck Euro-Bottle. For solvent, chemical and biological wastes. Polypropylene funnels and covers, polypropylene closure and funnel adaptor, PTFE filter membrane.
