CAP,VARIABLE ORIFICE, ALUMINUM, for TUBE HOLDERS Back Catalog number: 200146 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 611-0902-01-R Dual Manifold High Flow Splitter only, Top Access Price on request 563-0609-06-R 3/8" ID PVC Tubing, per foot Price on request 811-1004-01 PM-2.5 Impactor Kit, Replacement for Models 810-10 Price on request