CAP,VARIABLE ORIFICE, ALUMINUM, for TUBE HOLDERS Back Catalog number: 200146 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9929-01 Inhalable Dust Sampler, GSP-3.5 Conical Style (100 Price on request 800257 Single Variable Flow Kit, 7-10 x 175mm Price on request 800274-230 Printer Module Kit, 230V (with paper, charger, & c Price on request