Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9927-06 Cyclone, GK 2.69 25mm O-Ring Kit Price on request TE-22 Teflon Bag, On-Off Valve (0.5L) Price on request GCU37080MW-2 Cassette, 37mm 2pc 0.8µm, MCE Matched (50µg), 50/B Price on request