Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200146 CAP,VARIABLE ORIFICE, ALUMINUM, for TUBE HOLDERS Price on request 6075-0410-R Screwdriver, Philips / Pan-Head 40 x 5/8, GilAir-3 Price on request 800884-171-2305 GilAir-5 RP Pump, 5-Pack with Universal 5-Unit Charger, 230V Euro Style Plug Price on request