---
product_id: 63672205
title: "18\" X 20\" X 1\" Lifetime Permanent Washable Filter"
brand: "permatron"
price: "₨31804"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/63672205-18-x-20-x-1-lifetime-permanent-washable-filter
store_origin: LK
region: Sri Lanka
---

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

**Brand:** permatron
**Price:** ₨31804
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 18" X 20" X 1" Lifetime Permanent Washable Filter by permatron
- **How much does it cost?** ₨31804 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/63672205-18-x-20-x-1-lifetime-permanent-washable-filter)

## Best For

- permatron enthusiasts

## Why This Product

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

## Description

If you want to protect your heating and cooling system from dust and dirt - and you are tired of buying disposable air filters, this is the air filter for you!  This durable washable filter is designed to provide great value and last a lifetime. Don't drive around town looking for a washable air conditioner filter or furnace filter.  Order online and will quickly ship to your front door! Designed to minimize initial resistance to airflow Reduces the number of pollutants and allergens in recirculated air and keeps your HVAC system clean Uses natural static electricity to attract and capture airborne particles Includes anti-microbial polymeric protection Durable steel frame Dirt won't get caught in the filter during washing - due to specially-designed drainage ports in the filter frame Lifetime warranty Wash every 30 days under normal use Made with pride in the USA 100% free returns on all filters

## Images

![18" X 20" X 1" Lifetime Permanent Washable Filter - Image 1](https://images-na.ssl-images-amazon.com/images/I/618w9mVlDrL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.lk/products/63672205-18-x-20-x-1-lifetime-permanent-washable-filter](https://www.desertcart.lk/products/63672205-18-x-20-x-1-lifetime-permanent-washable-filter)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-21*