- Replace filter every 12 months
- Size approximately 12" H x 9 1/4" ID x 14 1/4" OD
- True HEPA filter is 99.97% effective at removing particles as small as .3 microns from the air that passes through the filter
- Fits Honeywell Enviracaire models 50300, 50310, 50311, 53000, 53001, 64500, 83163 and 83168