8x30x2 Air Filter

Nominal Size
Actual Size
Merv Rating

Bulk Quantity Pricing

4 6 12 48 72 120



$11.66 $10.49 $10.26 $9.91 $8.75 $8.16



$18.29 $16.46 $16.10 $15.55 $13.72 $12.80



$17.83 $16.05 $15.69 $15.16 $13.37 $12.48

8x30x2 Air Filter for Your HVAC Needs

Need an efficient air filter for your HVAC system? Invest in the 8x30x2 air filter. It effectively captures dust, pollen, and other airborne particles. This high-performance filter improves indoor air quality, making your home cleaner and healthier. It's easy to install and replace, ensuring your HVAC system operates at its best. By reducing allergens and pollutants, this filter provides a comfortable space. Choose the 8x30x2 air filter for superior air filtration and a healthier indoors.

8x30x2 Air Filter for Clean Indoor Air

The 8x30x2 air filter, with its dimensions of 8 inches by 30 inches by 2 inches, is a staple in many residential and commercial HVAC systems. These filters are designed to:

  • Significantly improve indoor air quality by capturing a wide range of airborne particles, including dust, pollen, and pet dander

  • Create a healthier living environment

  • Enhance the overall efficiency of the HVAC system.

Actual Size vs. Nominal Size

It’s important to distinguish between nominal size and actual size when choosing an air filter. The nominal size is the rounded measurement printed on the side of the filter, commonly used for reference. It’s a rough estimate that approximates the size of the filter compartment. However, this can often be misleading if you don’t check the actual dimensions of your HVAC unit.

Actual size pertains to the filter’s exact measurements. Usually, this is slightly smaller than the nominal size, allowing for a snug fit in the filter compartment. For instance, an air filter with a nominal size of 20” x 20” x 1” may actually measure 19 1/2” x 19 1/2” x 3/4”. This slight difference is essential to ensure the filter fits snugly without any gaps, which could otherwise allow unfiltered air to bypass the filter.

Typically, the actual size of the 8x30x2 air filter is 7.5 x 29.5 x 1.75 inches. Knowing these precise measurements helps you select the correct filter, ensuring optimal performance and longevity of your HVAC system.

Three MERV Ratings Available

MERV, or Minimum Efficiency Reporting Value, is a critical metric that measures the efficiency of air filters in capturing airborne particles. The 8x30x2 air filters are available in three MERV ratings: MERV 8, MERV 11, and MERV 13, each catering to different filtration needs.

A MERV 8 rating ensures an efficiency of 70% to 85%, capturing approximately 90% of airborne particles. This makes it suitable for most residential and light commercial applications, effectively trapping larger particles like dust and debris. For homes with basic air quality needs, a MERV 8 filter is a reliable and cost-effective choice.

For enhanced filtration, MERV 11 filters:

  • Capture about 95% of particles, including smaller contaminants like pet dander and mold spores

  • Provide a higher level of air purity

  • Are ideal for households with pets, allergy sufferers, or anyone wanting a higher level of air purity.

At the top end, MERV 13 filters offer a higher level of filtration, capturing up to 98% of particles, including very fine particles like bacteria and smoke. These are perfect for environments requiring superior air quality, such as homes with respiratory issues or high-pollution areas.

Material and Build Quality

The performance and durability of 8x30x2 air filters greatly depend on their material and build quality. These filters can be made from various materials, including fiberglass, pleated paper, and synthetic fibers. The choice of material affects the filter’s efficiency and lifespan, with synthetic media offering higher particulate efficiency compared to standard cotton media.

Pleated filters have several advantages over flat fiberglass filters:

  • They are generally more efficient and trap more particles.

  • They have a longer service life.

  • The pleated design increases the surface area, allowing for better filtration and airflow.

These benefits make pleated filters a preferred choice for those looking for effective and long-lasting air filters.

Choosing the Right Filter For Your Needs

Choosing the correct air filter requires more than understanding the nominal size; exact measurements are needed. To measure your air filter, follow these steps:

  1. Locate the air return vent or air handler, open it, and remove the filter.

  2. Measure the length and width of the filter, noting that the smallest measurement should come first if it’s not a square.

  3. Measure the filter’s thickness by measuring its depth from front to back.

Combine these measurements to get the filter size in the format Length x Width x Depth. Additionally, measure the filter slot to confirm the correct size; the filter should fit snugly without any gaps around the edges. A proper fit is vital for achieving optimal performance and preventing the bypass of unfiltered air.

Maintenance Schedule

Regular filter replacement is crucial for maintaining optimal air quality and HVAC system efficiency. It's generally advisable to replace the 8x30x2 air filter every 90 days. However, this can vary depending on specific conditions in your home or office. For example, homes with pets, children, or allergy sufferers should consider replacing the filter more frequently, every 30-60 days, to maintain better indoor air quality.

During peak summer and winter months, we recommend you change the filter every month as per Energy Star recommendations. This ensures that your HVAC system works efficiently, preventing any strain due to clogged filters. Keeping a consistent maintenance schedule helps in prolonging the life of your HVAC system and maintaining a healthy indoor environment.

Where to Buy 8x30x2 Air Filters

Custom Filters Direct is a reliable and handy option for purchasing 8x30x2 air filters. We offer a wide variety of air filters, including the 8x30x2 size, with free shipping on all orders. This ensures you can always find the right filter for your HVAC system without any hassle.

Custom Filters Direct also provides an auto-delivery service, allowing customers to save on every order and set a regular delivery schedule for their filter items. This service ensures that you never run out of filters and maintain a consistent replacement schedule. With their extensive inventory and commitment to customer satisfaction, Custom Filters Direct is the go-to source for all your air filter needs, providing a comprehensive list of options.

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