Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800556 Pump Filter Kit (3 Filters, 3large o-rings, 3 sma Price on request 801171-1 Wheeled Carrying and Storage Case for AirCon-2 Price on request 800266-1 Generator Cell/Sensor, Standard Flow, Gilibrator-2 Price on request