Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF37080 Filter, MCE, 0.8µm, 37mm, 100/Pack Price on request 811-1707-01-R Gilibrator 3, Base Only Price on request 200279-R Wrench, Tube Holder Price on request