We've combined our best-selling filtration products into complete kits for your convenience. All kits include a filtering flask, Buchner funnel, one-hole stopper, vacuum tubing, filter forceps, and filter paper. Some kits even include a vacuum pump. The polypropylene filtering flask has a 45° angle side-arm to help prevent tipping, and accepts 1/4" to 3/8" ID tubing and a size 8 stopper. Autoclavable. The silicone stopper is a size eight and has one hole for the insertion of the polypropylene Buchner funnel. The funnel is fritted and accepts 90 mm (9 cm) diameter filter papers. The filter forceps help to gently remove the filter from the funnel after use. Connect to your house vacuum line or order a system with a pump Various filter sizes and types to suit your needs!. Composed of durable and chemical-resistant equipment.