• qig-22

    With sidearm and pressure/vacuum stopcock. With Inner/Outer Jt. at Top. Lower stopcock is Teflon.

  • qig-23

    With sidearm and pressure/vacuum stopcock. With Inner/Outer Jt. at Top. Lower stopcock is Teflon, but with fritted disk.

  • qig-24

    Allows solutions to be prepared using magnetic spinner and added proportionately. Teflon stopcock on equalizing arm permits isolation of the contents for storage, 100 ml is calibrated every 1 ml and 250 ml is calibrated every 10 ml. Glass stopcock on arm is pressure/vacuum stopcock.