Single Variable Flow Kit, 7-10 x 175mm Back Catalog number: 800257 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0920-01 Replacement Valve Caps (Pack of 2) Price on request 615-0910-01 Cd with software, manuals and USB drivers Price on request 810-0902-01-R Data Logging Pump Only (No Dock) Price on request