Filter inside low flow modules 800518 & 800519 Back Catalog number: 201119 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9928-01 Cyclone, 47mm Slaton Cassette for RASCAL Cyclone 8 Price on request 800285 Bubble Generator, High Flow Cell, Gilibrator 2 (Pl Price on request 800510-171-2305 GilAir-3 RP Pump, 5-Pack with Universal 5-Unit Cha Price on request