Diagnostic Panel Flow Tube/Rotameter, Replacement, Back Catalog number: 401645 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800810 Precision Rotameter, 0-4LPM Price on request 801009 Rotameter/Flowmeter, GilAir-3 Price on request 2702-19341 LD239 Replacement Battery Price on request