Replacement Carbon Pre/Post Filters for Holmes Air Purifiers - Compatible with Part AOR31 Filter I - Dims: 4-1/4 x

Replacement Carbon Pre/Post Filters for Holmes Air Purifiers - Compatible with Part AOR31 Filter I- Dims: 4-1/4 x 9-1/2 x 1/4 - (6-Pack)

Replacement Carbon Pre/Post Filters for Holmes Air Purifiers - Compatible with Part AOR31 Filter I - Dims: 4-1/4 x

We created Compact by Design to identify products that, while they may not always look very different, have a more efficient design. With the removal of excess air and water, products require less packaging and become more efficient to ship. At scale, these small differences in product size and weight lead to significant carbon emission reductions.

Key Features

• ✅ Replacement Carbon Pre/Post Filters Compatible with Holmes Air Purifiers Part AOR31 Filter I
• ✅ Compatible with Holmes models: HAP2400, HAP242, HAP9240, HAP9242, HAP412 Series, HAP9412 Series, HAP9414 Series, HAP422 Series, HAP424 Series, HAP9424 Series, HAP9422 Series
• ✅ Dimensions are 1-1/4 x 9-1/2 x 1/4
• ✅ 6-Pack
• ✅ Works On The Following Model: HAP2400, HAP242, HAP9240, HAP9242, HAP412 Series, HAP9412 Series, HAP9414 Series, HAP422 Series, HAP424 Series, HAP9424 Series, HAP9422 Series

Shipping & Guarantees

• ✅ FREE standard shipping within the United States (3–6 business days)
• ✅ 100% money-back guarantee for lost or damaged items
• ✅ Secure checkout with encrypted payment processing
• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

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