Replacement Carbon Pre/Post Filters for Holmes Air Purifiers – Compatible with Part AOR31, 4-1/4 x 9-1/2 x 1/4 Inches, 6-Pack

Replacement Carbon Pre/Post Filters for Holmes Air Purifiers – Compatible with Part AOR31, 4-1/4 x 9-1/2 x 1/4 Inches, 6-Pack

SKU:RFD-AOR31-6

$15.80

This six pack delivers carbon pre and post filters for Holmes air purifiers compatible with Part AOR31. The compact 4-1/4 by 9-1/2 by 1/4 inch filters fit Holmes models that use the AOR31 filter. Designed to capture odors and improve air quality, these filters provide a direct replacement option.

Product Description

The Replacement Carbon Pre/Post Filters are designed for Holmes air purifiers that use Part AOR31. Each filter measures 4-1/4 inches by 9-1/2 inches by 1/4 inch and is packaged as a six pack for multiple replacements. These carbon filters work as both pre and post filtration to reduce odors and improve overall air quality. They are engineered to be a direct fit with compatible Holmes units and are built to meet or exceed OEM performance standards. Regular replacement ensures optimal filtration efficiency and continued clean air in your space.

Compatible / Equivalent Filters & Identifiers

Holmes air purifiers that require Part AOR31 filters. These filters are suitable for units needing a carbon pre and post filtration stage with the AOR31 designation.

Key Features & Benefits

  • Direct fit for Holmes units with AOR31 compatibility.
  • Carbon filtration reduces odors and improves air quality.
  • Includes six filters for convenient replacements.
  • Compact dimensions ensure compatible installation without modifications.
  • Improved odor control and air quality.
  • Easy direct replacement for compatible Holmes units.
  • Six filters in one pack for convenient maintenance.
  • Maintains purifier performance with carbon filtration.

Specifications

Dimensions: 4-1/4 x 9-1/2 x 1/4 inches. Pack size: 6 filters. Compatibility: Holmes air purifiers that use Part AOR31. Filter type: carbon pre and post filter. Replacement cycle: as recommended by the purifier manufacturer.

Special Instructions

Installation Instructions:
Power off the purifier and unplug it before installation. Open the purifier access panel and remove the old filter. Insert the new carbon pre/post filter with the correct orientation as indicated by the purifier. Replace the access panel and restore power to continue operation.

Care & Maintenance:
Check the filter condition regularly and replace according to the manufacturer’s guidance or when you notice decreased airflow or odor persists. Do not attempt to clean carbon filters; replace when needed.

FAQs

What models use the AOR31 filter part?
What is the benefit of carbon pre and post filtration?
How often should I replace these filters?
Do these filters require any special installation steps?

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