Comparison : Item # QF-34-1, Flask, 3-Neck, Round Bottom with Bottom Outlet
Item # QF-34-2, Flask, 3-Neck, Round Bottom with Bottom Outlet
Item # QF-34-3, Flask, 3-Neck, Round Bottom with Bottom Outlet
Item # QF-34-4, Flask, 3-Neck, Round Bottom with Bottom Outlet
Item # QF-34-5, Flask, 3-Neck, Round Bottom with Bottom Outlet