Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 911-0301-NO-R Single Unit Charger w/ Power Adapter, USB, LFS-11 Price on request 910-1301-EU Gilian 800i,Starter Kit, EU Cord Price on request SC-3 Tedlar Bag (1L) Price on request