# TLDR Review: BestAir HW1625-8R Furnace Filter

*Published: 2025-06-18 | Updated: 2025-07-18 | Source: https://shopsavvy.com/reviews-tldr/bestair-hw1625-8r-furnace-filter*

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## Verdict

The BestAir HW1625-8R Air Cleaning Furnace Filter is well-regarded for its performance and snug fit, contributing to a noticeable reduction in home dust levels. However, potential buyers should be cautious of the actual filter size, which can be slightly larger than advertised. Ensure compatibility with your furnace by measuring carefully before purchasing. This product is especially recommended for users who prioritize reducing dust and allergens effectively.

**Top pro:** MERV 8 filters fit perfectly and snugly, ensuring effective filtration.
**Top con:** The filter size is not as advertised; it's 4.25" instead of 4".

## Product: BestAir HW1625-8R Furnace Filter
**Brand:** BestAir
[Compare prices and price history on ShopSavvy](https://shopsavvy.com/products/bestair-hw1625-8r-furnace-filter)

## Pros
- MERV 8 filters fit perfectly and snugly, ensuring effective filtration.
- Superior performance compared to other brands, resulting in lower dust levels in the home.
- Noticeable reduction in dust compared to previously used filters of the same size.
- Highly recommended based on effectiveness and fit.

## Cons
- The filter size is not as advertised; it's 4.25" instead of 4".
- Important to read the fine print or measure before purchasing a replacement.
- Issues fitting into a Trane furnace that requires a 3.75" filter.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| MERV 8 filters fit perfectly and snugly, ensuring effective filtration. | The filter size is not as advertised; it's 4.25" instead of 4". |
| Superior performance compared to other brands, resulting in lower dust levels in the home. | Important to read the fine print or measure before purchasing a replacement. |
| Noticeable reduction in dust compared to previously used filters of the same size. | Issues fitting into a Trane furnace that requires a 3.75" filter. |
| Highly recommended based on effectiveness and fit. |  |

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