Brand Name or Equal Teledyne Instruments Liquid Syringe Pump - Model 260x Pump Module (P/N: 681240830) - 2 Qty. per attached specifications along with the following items: 1. Continuous flow dual elec... Brand Name or Equal Teledyne Instruments Liquid Syringe Pump - Model 260x Pump Module (P/N: 681240830) - 2 Qty. per attached specifications along with the following items: 1. Continuous flow dual electric valve package (1/8 inch valves) for Syrixus 1000x, 500x and 260x (P/N: 601267015) - 1 Qty. 2. Electric Valve Controller for SyriXus pumps (P/N: 681240854) - 1 Qty.