---
product_id: 447711954
title: "Aerostar 21x21x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (20.88 x 20.88 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA"
brand: "aerostar"
price: "1094 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/447711954-aerostar-21x21x1-merv-11-air-filter-6-count-actual-size
store_origin: DK
region: Denmark
---

# MERV 11 rating 6-pack convenience Electrostatic media Aerostar 21x21x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (20.88 x 20.88 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA

**Brand:** aerostar
**Price:** 1094 kr
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate Your Air Quality – Because You Deserve to Breathe Better!

## Quick Answers

- **What is this?** Aerostar 21x21x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (20.88 x 20.88 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA by aerostar
- **How much does it cost?** 1094 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/447711954-aerostar-21x21x1-merv-11-air-filter-6-count-actual-size)

## Best For

- aerostar enthusiasts

## Why This Product

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

## Key Features

- • **Breathe Easy:** Experience cleaner air with MERV 11 filtration.
- • **Pet-Friendly:** Filters out pet dander and allergens for a happier home.
- • **Cost-Effective Health:** Change filters every 60-90 days for optimal performance.
- • **Effortless Installation:** Simple setup for a healthier home environment.
- • **Proudly Made in the USA:** Manufactured by a leading filtration expert.

## Overview

The Aerostar 21x21x1 MERV 11 Pleated Air Filter is designed to enhance your indoor air quality by effectively filtering out microscopic particles like dust, pollen, and pet dander. With a nominal size of 21x21x1 inches and a pack of six, this filter is easy to install and maintain, ensuring a healthier home environment. Manufactured in the USA by Filtration Group, it features 100% synthetic electrostatic media for high efficiency and low airflow resistance.

## Description

Aerostar 21x21x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (20.88 x 20.88 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA

## Features

- Nominal size: 21x21x1; Actual size: 20.875" x 20.875" x 0.75"; This MERV 11 filter is comparable with MPR 1000-1200 & FPR 7
- Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, fine dust, and smoke
- Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months
- 100% synthetic electrostatic media for high efficiency with low air flow resistance
- Manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Filtration Group (Environmental Air) |
| Part Number | 21x21x1 MERV 11 |
| Item Weight | 3.99 pounds |
| Product Dimensions | 20.88 x 20.88 x 0.75 inches |
| Country of Origin | USA |
| Item model number | 21x21x1 MERV 11 |
| Size | 6 Count (Pack of 1) |
| Color | White |
| Style | 21x21x1 |
| Material | Pleated |
| Pattern | Filter |
| Item Package Quantity | 1 |
| Number Of Pieces | 6 |
| Minimum Efficiency Reporting Values (MERV) | 11 |
| Measurement System | English/Standard |
| Measurement Accuracy | up to 0.25 in |
| Certification | UL |
| Included Components | Air Filter |
| Batteries Required? | No |

## Images

![Aerostar 21x21x1 MERV 11 Air Filter, 6 Count, ACTUAL SIZE (20.88 x 20.88 x 0.75), HVAC, Air Conditioning & Furnace Filter for Dust, Pet Dander, Smoke & Allergies (MPR 1200 / FPR 7), Made in USA - Image 1](https://m.media-amazon.com/images/I/71hqDv1ReUL.jpg)

## Available Options

This product comes in different **Pattern Name, Style** options.

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**Shop now:** [https://www.desertcart.dk/products/447711954-aerostar-21x21x1-merv-11-air-filter-6-count-actual-size](https://www.desertcart.dk/products/447711954-aerostar-21x21x1-merv-11-air-filter-6-count-actual-size)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-24*