Twin-Funnel-Holder-RVFM-CH0689B-A-polypropylene-funnel-holder-that-can-securely-hold-funnels-from-75-to-150mm-diameter-25-to-75mm-with-included-holder-plate-The-holder-has-two-tapered-wedges-to-enable-it-to-be-firmly-secured-to-retort-stands-of-diameters-9-5-to-12-5mm-Funnel-Holder