Go-Cal Replacent Filter Back Catalog number: 811-9917-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request GB37C1000 Band, 37mm Shrink, Clear 1000/Pack Price on request 801983 Mounting Bracket for Impinger, Gilian 800i/5000/10 Price on request