---
product_id: 73710482
title: "20\" X 20\" X 1\" Lifetime Permanent Washable Filter"
brand: "airx filters"
price: "฿5208"
currency: THB
in_stock: true
category: "Home Improvement"
url: https://www.desertcart.co.th/products/73710482-20-x-20-x-1-lifetime-permanent-washable-filter
store_origin: TH
region: Thailand
---

# 20" X 20" X 1" Lifetime Permanent Washable Filter

**Brand:** airx filters
**Price:** ฿5208
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 20" X 20" X 1" Lifetime Permanent Washable Filter by airx filters
- **How much does it cost?** ฿5208 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/73710482-20-x-20-x-1-lifetime-permanent-washable-filter)

## Best For

- airx filters enthusiasts

## Why This Product

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

## Description

Tired of buying disposable air filter but still want to protect your heating, ventilation, air conditioning (HVAC) system from dust and dirt? AIRx Filters Washable MERV 1 20x20x1 air filter is for you! This durable washable filter is designed to provide great value and last a lifetime. The woven polypropylene media in the filter attracts and captures very small particles such as lint, dust, and pollen that can cause irritation when you breathe. Heavy duty construction makes use of heavy duty steel mesh and rugged steel frame durable for long term use. This MERV 1 air filter makes it applicable air filter fit for homes, light commercial buildings, with minimum equipment protection. AIRx Filters MERV 1 20x20x1 air filter is capable of working in 180f (82c) continuous service, peak 225f (107c) maximum temperature and resistant to 100% r.h. maximum humidity. Indoor air remains healthy when the air filter is replaced once every three months or sooner if the indoor air includes a large quantity of contaminants.

## Features

- MINIMUM EFFICIENCY REPORTING VALUE (MERV) RATED AIR FILTER AIRx Filters Washable 20x20x1 air filter are MERV rated to assure customers the effectiveness of our AC Furnace air filters. While the family enjoy a cleaner air, it also adds efficiency in the homes heating, ventilation and air conditioning (HVAC) System
- MERV RATED AIR FILTER ALLOWS YOU TO WASH AND REUSE TO REDUCE WASTE AIRx Filters MERV 1 20x20x1 AC Furnace air filter attracts and/or removes lint, dust, and pollen
- QUALITY AIR FILTER MATERIALS AND COMPONENTS AIRx Filters 20x20x1 air filter are 100% Made in the USA using quality air filter materials and components. AIRx Filters Washable use Heavy duty steel mesh and rugged steel frame air filter frame
- SUPERIOR AIR FILTER CONSTRUCTION AND SPECIFICATION AIRx Filters MERV 1 air filter uses woven polypropylene media. It can withstand 180F (82C) continuous service, peak 225F (107C) and resistant to 100% r.h.
- EASY SELECTION, MULTI-PACK AND OEM/AFTERMARKET AIR FILTER COMPATIBLE Purchasing an AIRx Filters is easy, AIRx Filters offers various sizes that would fit your AC and/or Furnace air filter need and different multi-pack to fit every budget. AIRx Filters Washable 20x20x1 air filter can replace and/or comparable with Filtrete Basic Filter 20x20x1 air filter
- ›See more product details

## Images

![20" X 20" X 1" Lifetime Permanent Washable Filter - Image 1](https://m.media-amazon.com/images/I/51sqUt3Wa2L.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/73710482-20-x-20-x-1-lifetime-permanent-washable-filter](https://www.desertcart.co.th/products/73710482-20-x-20-x-1-lifetime-permanent-washable-filter)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-03*