---
product_id: 28844307
title: "Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)"
brand: "filterbuy"
price: "¥29341"
currency: JPY
in_stock: true
category: "Filterbuy"
url: https://www.desertcart.jp/products/28844307-filterbuy-20x20x1-air-filter-merv-8-dust-and-allergy-defense
store_origin: JP
region: Japan
---

# Precise 19.5x19.5x0.75" fit Durable, recyclable USA-made frame MERV 8 blocks 90% dust & allergens Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack)

**Brand:** filterbuy
**Price:** ¥29341
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe smarter, live better — upgrade your air game now!

## Quick Answers

- **What is this?** Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) by filterbuy
- **How much does it cost?** ¥29341 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/28844307-filterbuy-20x20x1-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 industrial-grade recyclable materials, trusted by millions for healthier homes and offices.
- • **Triple Longevity Pleats:** 14 pleats per foot with electrostatic charge last 3x longer than fiberglass filters—replace only every 90 days.
- • **Built to Endure & Perform:** Robust beverage board frame with dual wire backing resists warping and extreme temps for reliable airflow.
- • **Advanced MERV 8 Filtration:** Captures 90% of airborne particles like pollen, mold, and lint to elevate your indoor air quality.
- • **Universal Fit, Zero Hassle:** Fits all standard 20x20x1 HVAC systems for seamless replacement.

## Overview

Filterbuy’s 20x20x1 MERV 8 air filters deliver superior dust and allergen defense with electrostatically charged pleated media that traps 90% of particles. Designed for universal HVAC compatibility, these durable, recyclable filters last three times longer than standard fiberglass models. Proudly made in the USA, they ensure consistent airflow and enhanced indoor air quality for homes and businesses alike.

## Description

Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 19.50 x 0.75): Replacement Furnace Filters: desertcart.com: Tools & Home Improvement

## Features

- UNIVERSAL COMPATIBILITY: 20x20x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 19.50" x 19.50" 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 | B00CJZ8LAK |
| Air Filter Construction | Pleated |
| Best Sellers Rank | #224 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 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 16,391 Reviews |
| Filter Airflow Direction | Variable |
| Filter Mounting Type | Slide In |
| Filter Shape | Square |
| Global Trade Identification Number | 00717267051675 |
| Included Components | Air Filters |
| Item Dimensions L x W x Thickness | 19.5"L x 19.5"W x 0.75"Th |
| Item Highlight | Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 19.50 x 0.75) |
| Item Type Name | Air Filter |
| Item Weight | 1.8 pounds |
| MERV Rating | 8 |
| Manufacturer | Filterbuy |
| Manufacturer Part Number | AFB20x20x1M8pk4 |
| Material | Aluminum, Plastic, Polypropylene |
| Material Type | Aluminum, Plastic, Polypropylene |
| Max Temperature | 200 °F |
| Max Velocity | 615 cfm |
| Model Number | AFB20x20x1M8pk4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 19.5"L x 19.5"W x 0.75"Th |
| Product Grade | Replacement Parts |
| UPC | 717267051675 |
| 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:** Square
- **Global Trade Identification Number:** 00717267051675
- **Item Weight:** 1.8 pounds
- **MERV Rating:** 8
- **Material:** Aluminum, Plastic, Polypropylene
- **Max Temperature:** 200 °F
- **Product Dimensions:** 19.5"L x 19.5"W x 0.75"Th

## Images

![Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 1](https://m.media-amazon.com/images/I/71IWOICrJNL.jpg)
![Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 2](https://m.media-amazon.com/images/I/8183f-YAzPL.jpg)
![Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 3](https://m.media-amazon.com/images/I/81QmLUpfj+L.jpg)
![Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 4](https://m.media-amazon.com/images/I/71NqiPy6QSL.jpg)
![Filterbuy 20x20x1 Air Filter MERV 8 Dust & Allergy Defense (4-Pack) - Image 5](https://m.media-amazon.com/images/I/81G62DlEyuL.jpg)

## 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.

## Frequently Bought Together

- Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
- Simply 14x14x1 Air Filter, MERV 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 13.75"x13.75"x0.75") DUST, Pet, & Allergy Control

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**Shop now:** [https://www.desertcart.jp/products/28844307-filterbuy-20x20x1-air-filter-merv-8-dust-and-allergy-defense](https://www.desertcart.jp/products/28844307-filterbuy-20x20x1-air-filter-merv-8-dust-and-allergy-defense)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-26*