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• Fits the Austin Air Healthmate HM-400 Air Cleaner
• 60 sq. ft. true HEPA medical filter medium.
• Nearly 15 lbs mixture of solid activated carbon and zeolite.
• Meets HEPA standards, trapping 99.97% of all particulates larger than 0.3 microns.
• Foam sealing gaskets top and bottom.
• 5-Year pro-rated filter guarantee.
• Dimensions: 13.5" Diameter x 14" H
• Weight: 22 lbs.
• Includes Prefilter in White/Sandstone or Black