Funnel machined from PTFE screws securely onto any standard laboratory vial having a GPI thread. Design allows for easy, safe and mess free transfer of product. Comes with:CG-1761-01 Funnel, Vial, PTFE, 1.0" OD, 8-425 GPI ThreadCG-1761-02 Funnel, Vial, PTFE, 1.0" OD, 9-425 and 10-425 GPI ThreadCG-1761-03 Funnel, Vial, PTFE, 1.0" OD, 13-425 GPI ThreadCG-1761-04 Funnel, Vial, PTFE, 1.4" OD, 15-425 GPI ThreadCG-1761-05 Funnel, Vial, PTFE, 1.4" OD, 18-400 GPI ThreadCG-1761-06 Funnel, Vial, PTFE, 1.9" OD, 20-400 GPI ThreadCG-1761-07 Funnel, Vial, PTFE, 1.9" OD, 22-400 GPI ThreadCG-1761-08 Funnel, Vial, PTFE, 1.9" OD, 24-400 GPI ThreadPLEASE NOTE: VIALS ARE NOT INCLUDED WITH FUNNELS.