Durable, polypropylene translucent funnel is resistant to most chemicals, including hydrofluoric acid. The #19 standard taper stopper is polyethylene with a 4mm stopcock plug of non-stick Teflon®TFE. Steam autoclavable at 121º C (250ºF) (except stopper). Stem length is 40mm (1.57”) with a 9.5mm (3/8”) O.D.
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