---
product_id: 39505037
title: "Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)"
brand: "filterbuy"
price: "874.15 DT"
currency: TND
in_stock: true
reviews_count: 10
category: "Filterbuy"
url: https://www.desertcart.tn/products/39505037-filterbuy-18x30x1-air-filter-merv-8-dust-and-allergy-defense
store_origin: TN
region: Tunisia
---

# 3x longer life than fiberglass filters MERV 8 captures 90% dust & allergens Precise 17.75x29.75x0.75 in size Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)

**Brand:** filterbuy
**Price:** 874.15 DT
**Availability:** ✅ In Stock

## Summary

> 🌬️ Elevate your air game—because fresh air is the new luxury!

## Quick Answers

- **What is this?** Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) by filterbuy
- **How much does it cost?** 874.15 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/39505037-filterbuy-18x30x1-air-filter-merv-8-dust-and-allergy-defense)

## Best For

- filterbuy enthusiasts

## Why This Product

- Trusted filterbuy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Proudly Made in the USA:** Crafted with recyclable materials and trusted by millions for dependable indoor air quality.
- • **Robust Frame, No Warping:** Industrial-grade beverage board frame with dual wire backing resists heat and humidity for lasting performance.
- • **Advanced MERV 8 Filtration:** Blocks pollen, mold, lint, and dust with 90% efficiency—breathe cleaner, live healthier.
- • **Durable Electrostatic Pleats:** 14 pleats per foot trap microscopic particles while lasting three times longer than standard filters.
- • **Universal Fit, Effortless Upgrade:** Perfectly sized for most HVAC systems, ensuring seamless installation and optimal airflow.

## Overview

Filterbuy’s 18x30x1 MERV 8 air filters deliver superior dust and allergen defense with electrostatically charged pleated media that captures 90% of airborne particles. Designed for universal compatibility with furnaces, ACs, and heat pumps, these durable filters last three times longer than fiberglass alternatives. Featuring a sturdy beverage board frame with dual wire backing, they resist warping and extreme temperatures. Made in the USA from recyclable materials, this 4-pack ensures your indoor air stays fresh and healthy with easy installation and reliable performance.

## Description

Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 17.75 x 29.75 x 0.75) - Replacement Furnace Filters - desertcart.com

Review: Great Quality Air Filter – Perfect Fit! - I’m very impressed with the Filterbuy 18x30x1 MERV 8 filter. It fit my system perfectly and was easy to install. The frame feels sturdy, and the pleats are well-made compared to cheaper filters I’ve tried. Within a few days, I noticed less dust around the house, and the air feels fresher overall. I like that it balances filtration with good airflow, so my HVAC doesn’t struggle. It’s also a great value since it lasts a solid 3 months before needing replacement. If you’re looking for a reliable, high-quality filter at a fair price, this is definitely one I recommend.
Review: Excellent product - I recently had a new HVAC installed and I wanted to make sure that I was using the appropriate filters. My prior filters were just inexpensive ones from the grocery store. I did some research and found out more about filtering power and the various filtering levels of effectiveness. I chose these because it's the recommended filtering efficiency level and also the correct size. It is very good quality and easy to install. It's important to make sure you don't install wrong side inward. Also make sure that you measure your filter before ordering particularly if it's a very large one. Also to change your filters frequently which is something I haven't done in the past.

## Features

- UNIVERSAL COMPATIBILITY: 18x30x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 17.75" x 29.75" x 0.75")
- MERV 8 PERFORMANCE: Protect your home or business from pollen, lint, mold, and more with MERV 8 synthetic media (comparable with MPR 700 & FPR 5) that captures 90% of dust without restricting air flow
- LONG-LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance)
- SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
- MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00CJZ8F74 |
| Air Filter Construction | Pleated |
| Best Sellers Rank | #5 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Furnace Filters |
| Brand | Filterbuy |
| Brand Name | Filterbuy |
| Common Applications | Allergen Reduction, High Strength |
| Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| Compatible Hvac Systems | Commercial, Industrial, Residential |
| Customer Reviews | 4.7 out of 5 stars 2,734 Reviews |
| Filter Airflow Direction | Variable |
| Filter Mounting Type | Slide In |
| Filter Shape | Rectangular |
| Included Components | Air Filters |
| Item Dimensions L x W x Thickness | 29.75"L x 17.75"W x 0.75"Th |
| Item Type Name | Air Filter |
| Item Weight | 0.27 g |
| MERV Rating | 8 |
| Manufacturer | Filterbuy |
| Manufacturer Part Number | AFB18x30x1M8pk4 |
| Material | Aluminum, Plastic, Polypropylene |
| Material Type | Aluminum, Plastic, Polypropylene |
| Max Temperature | 200 °F |
| Max Velocity | 615 cfm |
| Model Number | AFB18x30x1M8pk4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 29.75"L x 17.75"W x 0.75"Th |
| Product Grade | Replacement Parts |
| UPC | 717267051507 |
| Unit Count | 4 Count |
| Warranty Description | Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. |

## Product Details

- **Brand:** Filterbuy
- **Compatible Devices:** Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump
- **Filter Mounting Type:** Slide In
- **Filter Shape:** Rectangular
- **Item Weight:** 0.01 Ounces
- **MERV Rating:** 8
- **Material:** Aluminum, Plastic, Polypropylene
- **Max Temperature:** 200 Degrees Fahrenheit
- **Product Dimensions:** 29.75"L x 17.75"W x 0.75"Th
- **UPC:** 717267051507

## Images

![Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 1](https://m.media-amazon.com/images/I/8153pmqmTtL.jpg)
![Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 2](https://m.media-amazon.com/images/I/81NlJ+31eAL.jpg)
![Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 3](https://m.media-amazon.com/images/I/81QmLUpfj+L.jpg)
![Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 4](https://m.media-amazon.com/images/I/71NqiPy6QSL.jpg)
![Filterbuy 18x30x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 5](https://m.media-amazon.com/images/I/81G62DlEyuL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Why should I change my air filter?**
A: To maintain a healthy lifestyle, as breathing dirty air can put you at risk to develop asthma, allergies, and other respiratory ailments. Plus, old filters can cause system defects which may lead to unwanted expenses via energy costs and repairs.

**Q: When should I change my air filter?**
A: We generally recommend replacing your filter every 90 days to keep your system running efficiently and air clean. But this is subject to change based on filter size and variable factors for pet owners, allergy sufferers, homes with children, etc.

**Q: Will these air filters fit my system?**
A: Most of our filters are universally compatible and will work with any furnace, air conditioner, heat pump, or HVAC system as long as you choose the proper size. But if you see a specific brand name on a listing, make sure it matches your unit model.

**Q: How many air filters do I need?**
A: This varies for every customer depending on specific needs such as the number of vents in your home. However, our selection includes package quantities that range from 1 to 12 filters, so no matter what your situation may be, we've got you covered.

**Q: How do I change my air filter?**
A: After finding the right size, turn off the power supply and remove the cover from your intake vent before taking out the old filter. Then just insert your new filter to match the direction of air flow, replace the cover, and turn the power back on.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Quality Air Filter – Perfect Fit!
*by @***E on September 20, 2025*

I’m very impressed with the Filterbuy 18x30x1 MERV 8 filter. It fit my system perfectly and was easy to install. The frame feels sturdy, and the pleats are well-made compared to cheaper filters I’ve tried. Within a few days, I noticed less dust around the house, and the air feels fresher overall. I like that it balances filtration with good airflow, so my HVAC doesn’t struggle. It’s also a great value since it lasts a solid 3 months before needing replacement. If you’re looking for a reliable, high-quality filter at a fair price, this is definitely one I recommend.

### ⭐⭐⭐⭐⭐ Excellent product
*by G***N on June 20, 2026*

I recently had a new HVAC installed and I wanted to make sure that I was using the appropriate filters. My prior filters were just inexpensive ones from the grocery store. I did some research and found out more about filtering power and the various filtering levels of effectiveness. I chose these because it's the recommended filtering efficiency level and also the correct size. It is very good quality and easy to install. It's important to make sure you don't install wrong side inward. Also make sure that you measure your filter before ordering particularly if it's a very large one. Also to change your filters frequently which is something I haven't done in the past.

### ⭐⭐⭐⭐⭐ Great Quality
*by T***E on March 19, 2025*

The Filterbuy AC Filter is an excellent replacement for my HVAC system. It fits perfectly and was super easy to install. I love that it’s made with high-quality materials, and it does a great job of filtering out dust and allergens, helping to improve the air quality in my home. The price is reasonable, and it lasts longer than other filters I’ve tried. Highly recommend it for anyone looking for a reliable and efficient AC filter!

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**Shop now:** [https://www.desertcart.tn/products/39505037-filterbuy-18x30x1-air-filter-merv-8-dust-and-allergy-defense](https://www.desertcart.tn/products/39505037-filterbuy-18x30x1-air-filter-merv-8-dust-and-allergy-defense)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-04*