Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800885-171-2301 GilAir-5 RC Pump, Starter Kit, 230V Euro Style Plu Price on request 202816-1 Filter Housing, Rear GilAir-3/GilAir/5 Price on request 800266-1 Generator Cell/Sensor, Standard Flow, Gilibrator-2 Price on request