Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request 375-0019-01 GilAir Plus Shoulder Bag/Carrying Pouch, soft side Price on request GB37C Band, 37mm Shrink, Clear 100/Pack Price on request