TFE 3-Way Valve 4 (V4) Back Catalog number: CTS-10285 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request