Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1601-EU Gilian 12 Starter Kit, EU Cord Price on request GH37C Housing, 37mm, Conductive 3pc, 50/Box Price on request GFPC447 Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request