Single Variable Flow Kit, 7-10 x 175mm Back Catalog number: 800257 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-26 Teflon Bag, Septum Valve (1.2L) Price on request GCO37050-2 Housing, 37mm, 2Pc, 50/Box Price on request 910-0910-NO-R GilAir-Plus Data Logging Single Starter Kit, Bluet Price on request