Go-Cal Replacent Filter Back Catalog number: 811-9917-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800093-3 Inlet Filter Replacement Kit, LFS-113 (Packg of 3) Price on request 801863-171 BDX II Pump, No Charger Price on request 811-0913-01-R Outlet Fitting, Bag Fill Adapter Price on request