Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0008-03-R Battery Pack, GilAir-3UL, ATEX, NiMH Price on request 800573-4 Diagnostic Panel only, Low (2-50cc, 20-200cc, 50-8 Price on request GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request