Filter Fit FinderGeneralAire · humidifier filter
GeneralAire Cylinder 55
GeneralAire Model 55 Steam Cylinder. Part 55. Replace at least once a year, at the start of the heating season. Fits 1 model.
Opens an Amazon search for GeneralAire Cylinder 55. Check the listing says 55.
Fits these models
Part numbers
- Genuine part
- 55
- Also listed as
- 7746
- How often
- Replace at least once a year, at the start of the heating season
Sources
- Which filter fits generalfilters.com Maker's own page checked Oct 1, 2026
Model Name: 5500 Part Number: 5580 ... Cylinder: Model 55 (GFI #7746) for both regular & low conductivity
- How often generalfilters.com Maker's own page checked Oct 1, 2026
Replace the Cylinder a minimum of once per year; at the start of the heating season