Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801187 RUBBER FEET AIRCON 2 KIT (4 with screws) Price on request 800252 Single Variable Flow Starter Kit (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) Price on request 810-0902-01-R Data Logging Pump Only (No Dock) Price on request