Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800222 Tool Kit, LFS-113 Price on request GCU37500PVCMW Cassette, 37mm 3pc 5.0µm, PVC Matched, (50µg), 50/ Price on request GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request