High quality 3.3. Borosilicate glassware with joints. This set contains 11 items with 19/26 ground joints. Housed in a foam lined box. Consists of: Dropping funnel 100ml, Air leak/stream inlet tube, Liebig condenser, Receiver adapter, Stopper, Flask, round bottom 250ml, Cone/screwcap adapter, Still head, Flask, pear shaped 100ml, Flask, Buchner 100ml, Filter funnel 24mm dia. perforated plate.