FITTING-LUER As In Low Flow Modules Back Catalog number: 401904 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1004-04 PM-4.0 Impactor Kit, Replacement for Models 810-10 Price on request 800257 Single Variable Flow Kit, 7-10 x 175mm Price on request 375-0009-01 Carrying Case for Nephelometer Price on request