Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800272-2 Gilibrator-2, Low Flow Kit, 230V, Euro Cord Price on request 910-1706-EU-R Gilibrator 3 Standard Flow and High Flow Dry Cell Price on request 911-0301-EU-R Single Unit Charger w/ Power Adapter, USB, LFS-11 Price on request