Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800508-171 GilAir-3 RC Pump, No Charger Price on request 385-0095-01 IOM Sample accesory, sample holder Price on request KB-50 Kynar Bag 50.0L Price on request