Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended TE-22 Teflon Bag, On-Off Valve (0.5L) Price on request 298-0013-01 Gilian 800i/5000/10i/12 Single Charger, 120V/240V, Price on request 800508-171-2305 GilAir-3 RC Pump, 5-Pack with Universal 5-Unit Cha Price on request