Ordering Description Product number Description: Victor Professional Flexible Elbow, Type FE, 11.5" Length Product number: 0323-0191 Description: Victor Professional Dual Flexible Elbow, Type DFE Product number: 0323-0192 Description: Victor Professional Flexible Elbow, Type FE-1, 11.5" Length Product number: 0324-0066 Description: Victor Professional Dual Flexible Elbow, Type DFE-1 Product number: 0324-0092 Description: Victor Professional Flexible Elbow, Type FE-J, 11.5" Length Product number: 0325-0102 Description: Victor Professional Dual Flexible Elbow, Type DFE-J Product number: 0325-0108