Ace Glass 6513-27

<p>Heads with four Neck, three inline standard taper joints and one perpendicular #7 Ace-Thread thermometer joint. Included 5029 nylon bushing and FETFE o-ring permits vertical adjustment of 6-7mm OD thermometers. Use with 6504,6511 and 6516 reaction vessels that feature either a 137x100mmID flat flange. Use with 6508 or 6510 clamps. for improved sealing of flat ground flanges, please see 6495 product family of gaskets. </p>