---
product_id: 16170657
title: "Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack)"
brand: "filterbuy"
price: "684.63 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Filterbuy"
url: https://www.desertcart.tn/products/16170657-filterbuy-20x20x1-air-filter-merv-13-smoke-and-allergy-defense
store_origin: TN
region: Tunisia
---

# Made in USA with recyclable, industrial-grade materials 16 pleats/ft electrostatic media lasts 3x longer MERV 13 filtration captures 98% dust & allergens Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack)

**Brand:** filterbuy
**Price:** 684.63 DT
**Availability:** ✅ In Stock

## Summary

> 🛡️ Breathe smarter, live better — don’t let poor air quality hold you back!

## Quick Answers

- **What is this?** Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) by filterbuy
- **How much does it cost?** 684.63 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/16170657-filterbuy-20x20x1-air-filter-merv-13-smoke-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

- • **Built to Last:** Durable dual wire-backed beverage board frame resists warping and extreme temps, ensuring consistent performance.
- • **Effortless Fit:** Universal 20x20x1 size slides in easily to upgrade your furnace, AC, or heat pump without hassle.
- • **Triple Longevity:** Electrostatically charged pleated media traps microscopic particles and lasts three times longer than standard fiberglass filters.
- • **Elite Air Defense:** MERV 13 rating blocks germs, smoke & allergens for a healthier home or office environment.
- • **Sustainable Quality:** Proudly made in the USA from recyclable materials, supporting eco-conscious living and local manufacturing.

## Overview

Filterbuy’s 20x20x1 MERV 13 air filters deliver superior smoke and allergy defense with 98% dust capture efficiency. Featuring electrostatically charged pleated media and a robust dual wire-backed frame, these filters last 3x longer than fiberglass alternatives. Made in the USA from recyclable materials, they fit universally in furnaces, ACs, and heat pumps, ensuring healthier indoor air for homes and businesses alike.

## Description

Filterbuy 20x20x1 Air Filter MERV 13 Smoke & 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

Review: Excellent. - We used these to build Corsi-Rosenthal boxes for high grade air filtering. Works really well for that purpose.
Review: Rhonda - These are worth the money!

## 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 13 PERFORMANCE: Protect your home or business from germs, bacteria, and more with MERV 13 synthetic media (comparable with MPR 1900 & FPR 10) that captures 98% of dust without restricting air flow
- LONG-LASTING FILTRATION: Electrostatically charged media with 16 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 | B00CJZ7OXU |
| Air Filter Construction | Pleated |
| Best Sellers Rank | #11,981 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #143 in Furnace Filters |
| Brand | Filterbuy |
| Brand Name | Filterbuy |
| Common Applications | Allergen Reduction, Antimicrobial, High Strength |
| Compatible Devices | Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump |
| Compatible Hvac Systems | Commercial, Industrial, Residential |
| Customer Reviews | 4.6 out of 5 stars 3,734 Reviews |
| Filter Airflow Direction | Variable |
| Filter Mounting Type | Slide In |
| Filter Shape | Square |
| 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 | 0.27 g |
| MERV Rating | 13 |
| Manufacturer | Filterbuy |
| Manufacturer Part Number | AFB20x20x1M13pk4 |
| Material | Aluminum, Plastic, Polypropylene |
| Material Type | Aluminum, Plastic, Polypropylene |
| Max Temperature | 200 °F |
| Max Velocity | 615 cfm |
| Model Number | AFB20x20x1M13pk4 |
| 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 | 717267055697 |
| 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
- **Item Weight:** 0.27 g
- **MERV Rating:** 13
- **Material:** Aluminum, Plastic, Polypropylene
- **Max Temperature:** 200 °F
- **Product Dimensions:** 19.5"L x 19.5"W x 0.75"Th
- **UPC:** 717267055697

## Images

![Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) - Image 1](https://m.media-amazon.com/images/I/71GTDBLILzL.jpg)
![Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) - Image 2](https://m.media-amazon.com/images/I/8183f-YAzPL.jpg)
![Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) - Image 3](https://m.media-amazon.com/images/I/81ozy0OlV1L.jpg)
![Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) - Image 4](https://m.media-amazon.com/images/I/71EyCxFEcpL.jpg)
![Filterbuy 20x20x1 Air Filter MERV 13 Smoke & Allergy Defense (4-Pack) - Image 5](https://m.media-amazon.com/images/I/81mdyu7DN2L.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent.
*by R***A on July 11, 2026*

We used these to build Corsi-Rosenthal boxes for high grade air filtering. Works really well for that purpose.

### ⭐⭐⭐⭐⭐ Rhonda
*by R***A on September 5, 2026*

These are worth the money!

### ⭐⭐⭐⭐⭐ The actual fit
*by T***E on July 2, 2026*

Great product

## Frequently Bought Together

- Filterbuy 20x20x1 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
- Genesis 20" Box Fan, 3 Settings, Max Cooling Technology, Carry Handle, White (G20BOX-WHT)

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**Shop now:** [https://www.desertcart.tn/products/16170657-filterbuy-20x20x1-air-filter-merv-13-smoke-and-allergy-defense](https://www.desertcart.tn/products/16170657-filterbuy-20x20x1-air-filter-merv-13-smoke-and-allergy-defense)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-16*