9815-4

Introducing the Filtrete 9815 4-Pack of 0.813 square foot furnace air filters, engineered to deliver exceptional filtration performance for your home. These filters are designed to fit most residential forced-air heating and cooling systems and are suitable replacements for Filtrete models FSH0813E1, FSH0813D1, FSH0813IT1, and FSH0813A1.

The Filtrete 9815 filters boast a MERV (Minimum Efficiency Reporting Value) rating of 1000 and an MPR (Microparticle Performance Rating) of 1500, making them ideal for allergy sufferers and those seeking to reduce common household pollutants. These ratings indicate that they can effectively capture particles as small as 0.3 microns, including pollen, mold spores, bacteria, and smoke.

Each filter comes with a 3-in-1 design, featuring a filter media layer that captures lint, dust, and pollen; an activated carbon layer that targets odors and chemical irritants; and a static charge layer that attracts and holds onto smaller particles. The filters also have a pleated design that increases their surface area and provides more effective filtration.

The Filtrete 9815 filters are designed for ease of use and convenience. They come with an easy-to-install, slide-in design that makes replacement quick and hassle-free. The filters have a disposable design and should be replaced every 3 months, or as needed, to ensure optimal performance.

Additionally, the Filtrete 9815 filters are 100% recyclable, making them an environmentally friendly choice for your home. They are also low-allergen, meaning they do not contribute to the growth of mold or mildew and are gentle on HVAC systems.

In summary, the Filtrete 9815 4-Pack of 0.813 square foot furnace air filters is an excellent choice for homeowners seeking to improve indoor air quality, reduce allergens, and enhance the performance of their heating and cooling systems. With their exceptional filtration capabilities, easy installation, and recyclable design, these filters are a worthwhile investment for any home.

Pros and Cons of Buying Filtrete 9815 4-Pack MERV 1000 Allergen Defense Furnace Air Filters

The Filtrete 9815 4-pack MERV 1000 Allergen Defense air filters are a popular choice for homeowners seeking to improve their indoor air quality. In this analysis, we will discuss the advantages and disadvantages of purchasing these filters to help you make an informed decision.

1. MERV 1000 Rating: These filters have a high MERV (Minimum Efficiency Reporting Value) rating of 1000, which means they are highly effective at trapping particles as small as 0.3 microns. This includes pollen, dust mites, mold spores, and other common allergens.

2. Easy Installation: Filtrete 9815 air filters are designed to fit standard HVAC systems and can be installed without the need for professional help.

3. Long Lasting: With a pleated design and a MERV rating of 1000, these filters can last up to 12 months, reducing the frequency of filter replacements.

4. Cost-Effective: Despite their high MERV rating, these filters are relatively affordable, especially when purchased in a 4-pack.

5. Reduces Odors: The Filtrete 9815 Allergen Defense filters are also effective at reducing household odors, making for a fresher living environment.

1. Size Restriction: These filters may not fit all furnace models, so it's essential to confirm compatibility before making a purchase.

2. Airflow Restriction: With their high MERV rating, these filters can restrict airflow, which may result in longer heating cycles or increased energy consumption.

3. Replacement Cost: Although the initial cost of the filters is reasonable, the cost for continuous replacement can add up over time.

4. Single Filter Limitations: Using a single filter may not provide adequate coverage for larger homes, requiring multiple filters for effective air quality improvement.

The Filtrete 9815 4-pack MERV 1000 Allergen Defense air filters offer several advantages, including effective particle filtration, easy installation, long lifespan, cost-effectiveness, and odor reduction. However, they come with some disadvantages, such as potential airflow restriction, size limitations, replacement cost, and single filter limitations.

If you're looking for a high-performance air filter with a MERV 1000 rating to address allergens and improve indoor air quality, the Filtrete 9815 4-pack is an excellent choice. However, ensure your furnace model is compatible, and consider the potential impact on airflow and replacement costs before making a purchase. If you require coverage for larger homes or are concerned about airflow restriction, consider purchasing multiple filters or exploring alternative solutions.

Details:

Different from nominal size: slightly different from the nominal size, this air filters exact dimensions are 24.688x24.688x0.813. Filtrete 25x25x1 ac furnace air filter, merv 11, mpr 10 micro allergen defense, 3-month pleated 1-inch electrostatic cleaning 4 pack actual size 4-pack 24.688x24.688x0.813 in: make your home sanctuary: 4-pack of 3-month pleated 1 1000 filter helps capture unwanted particles from your household air to contribute a cleaner, fresher home environment. Versatile uses: works for changing the air filters in your furnace, conditioner/heating system or hvac. Exclusive technology: designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air flow through.

specifications mersmallets:

• brand: Filtrete
• mpn: 9815-4
• type: Other
• size: 25x25x1
• color: White
• power source: Corded Electric
• features: Standard
• insect repellent treated: No
• upc: 068060635570

shipping mersmallet's:

• type: fixed
• carrier: fedex
• transit: 3-5 days
• service: fedex 2day
• class: expedited

returns mersmallet's:

• method: money back
• paid by: seller
• policy: returns accepted
• time: 30 days

payments mersmallet's:

• wallet: google-pay
• other
• credit card: discover

offer mersmallet's:

• availability: in stock
• best offers: true
• in stock #: 5
• options: ship-to-home
• started: march 25, 2026
• sold #: 7
• prices: $67.63–$79.94
• item condition:
  • New – Open box
  • New

seller mersmallet's:

• rating: 99.0%
• # reviews: 3460
• city: phoenix, arizona

general mersmallets:

• category: Home & Garden > Workshop Equipment > Hand Tools > Hammers Mallets