Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9961-EU Gilian 800i/5000/10i Power Module, EU Cord Price on request GB37R Band, 37mm Shrink, Red 100/Pack Price on request 800266-1 Generator Cell/Sensor, Standard Flow, Gilibrator-2 Price on request