Cassette, 37mm, 3 pc, 0.8µm Polycarbonate, 50/Box Back Catalog number: GC738PC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1706-01-R Gilibrator 3, Hard Shell Carry Case Only Price on request 811-9901-01 Gilian Bag Sampling Kit with Jar (Use SC-1 or SC-3 Price on request 910-0914-NO-R GilAir-Plus Data Logging 3-Pump Starter Kit, Bluet Price on request