Cassette, 37mm 3pc w/ Type A/E Glass Fiber, 50/Box Back Catalog number: GCU37AE Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 810-0202-02 GilAir-3 Clock with timer (ATEX), Pump only Price on request 375-0009-01 Carrying Case for Nephelometer Price on request 360-0049-01 Manual, Gilibrator-2 Flow Monitoring Software Price on request