Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800883-171-2301 GilAir-5 R Pump, Starter Kit, 230V Euro Style Plug Price on request GCAOC10 Cassette, Air-O-Cell 10/Box Price on request 201050-100 Filter, Replacement (Packg of 100), GilAir-3/GilAi Price on request