Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GB37R1000 Band, 37mm Shrink, Red 1000/Pack Price on request 800885-171-2301 GilAir-5 RC Pump, Starter Kit, 230V Euro Style Plu Price on request 811-1604-EU Gilian 12 Power Module, EU Cord Price on request