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BESTOYARD 2pcs 70mm Plastic Buchner Funnel Paper Filtering Filter, Laboratory Vacuum Filtration Funnel for Lab Experiments and Industrial Use

ULDIGI 5pcs Glass Triangle Filling Funnels Set Long Stem, Scientific Filtering Funnels for Experiments, Multiple Sizes 30/40/50/60/75mm, Borosilicate Glass, Laboratory and Industrial Use

Zerodeko 2pcs Buchner Funnels Pp Plastic Laboratory Funnels with Paper Filter Vacuum Filtration Tools for Lab and Industrial Use for Science Experiments

YOSADIER 5pcs Glass Triangle Funnels Set, Filtering and Filling Funnels with Long Stem, Temperature Resistant Chemistry Glassware for Scientific and Industrial Use

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SECFOU 20pcs Short Stem Laboratory Funnels 60mm Stem Scientific Filling Funnel Set for Liquid Transfer and Filtration in Home, Lab, and Industrial Use

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Ipetboom 8pcs Buchner Funnel Filter Cone Rubber Stopper Set Tapered Collar Funnel Holder Adapters for Laboratory Filtration Industrial Equipment