Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0505-01-R Single Unit Replacement Charger only, USB Gilibrator Price on request 910-0302-02 LFS-113 D Pump, 5-Pack, 230V, Euro Plug Price on request 801124 Cyclone Vortex Finder Accessory, Replacement for 10mm-Nylon Cyclone Price on request