Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-0202-02 GilAir-3 Basic [ATEX], 5-Pack (With Universal 5-Un Price on request KB-05 Kynar Bag 0.5L Price on request TE-27 Teflon Bag, Septum Valve (4.7L) Price on request