Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0104-02 GilAir-5 Clock [ATEX], Starter Kit, 230V, Euro Plu Price on request 911-0502-NO-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request 910-1301-EU Gilian 800i,Starter Kit, EU Cord Price on request