Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF25500PVC Filter, PVC, 5.0µm 25mm, 100/Pack Price on request 400214-1 Control Board Assembly, No Display, LFS-113 Price on request 911-0601-EU-R Single Unit Charger w/ Power Adapter, USB, BDX-2- Price on request