Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0095-01 IOM Sample accesory, sample holder Price on request 298-0031-01-R Single Unit Replacement Power Adapter only, USB Price on request 200279-R Wrench, Tube Holder Price on request