---
product_id: 432696275
title: "Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)"
brand: "filtrete"
price: "1646 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/432696275-filtrete-20x25x4-ac-furnace-air-filter-mpr-1000-merv-11
store_origin: RO
region: Romania
---

# Electrostatic 3-in-1 particle capture tech Exact 19.88x24.63x4.31 in size MERV 11 for superior allergen defense Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

**Brand:** filtrete
**Price:** 1646 Lei
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31) by filtrete
- **How much does it cost?** 1646 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/432696275-filtrete-20x25x4-ac-furnace-air-filter-mpr-1000-merv-11)

## Best For

- filtrete enthusiasts

## Why This Product

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

## Key Features

- • **Advanced Filtration Power:** MERV 11 rating combined with 1000 MPR captures up to 2X more microparticles, creating a healthier home sanctuary.
- • **Smart Maintenance Reminders:** Sync with the Filtrete Smart App to get timely filter change alerts—never miss optimal performance windows again.
- • **Precision Fit for Top Brands:** Designed to seamlessly fit Honeywell & AprilAire Space-Gard units, ensuring hassle-free installation and peak performance.
- • **Subscribe & Save Convenience:** Set up scheduled deliveries and save up to 10%, ensuring your air stays fresh without the hassle.
- • **Exclusive 3-in-1 Electrostatic Technology:** Traps dust, allergens, and airborne particles efficiently, delivering cleaner air flow you can feel.

## Overview

The Filtrete 20x25x4 AC Furnace Air Filter (MPR 1000, MERV 11) offers precise dimensions for Honeywell and AprilAire Space-Gard systems, featuring exclusive 3-in-1 electrostatic technology that captures twice as many microparticles as standard filters. Designed for residential use, it supports a full year of allergen defense with smart app reminders and subscription savings for effortless air quality management.

## Description

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

## Features

- DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.88 in. x 24.63 in. x 4.31 in., This item is a 1-pack of a 12-month Filtrete Air Filter
- DESIGNED TO FIT: Honeywell and Space-Gard brand media air cleaners
- MAKE YOUR HOME YOUR SANCTUARY: 1000 MPR + MERV 11 rating helps capture up to 2X more microparticles than MERV alone(2)
- EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
- CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months
- SUBSCRIBE AND SAVE: On your first order, simply click on "Subscribe and Save" to set up your delivery schedule and save up to 10% on your orders
- SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-day reminders to change your air filter
- FOR RESIDENTIAL use only

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | 3M |
| Part Number | NADP03-4IN-4 |
| Product Dimensions | 62.56 x 10.95 x 50.5 cm; 1.07 kg |
| Item model number | NADP03-4IN-4 |
| Size | 20 x 25 x 4 |
| Style | CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months |
| Material | Polypropylene |
| Pattern | Air Filter |
| Item Package Quantity | 1 |
| Minimum Efficiency Reporting Values (MERV) | 11 |
| Certification | certified frustration-free |
| Included Components | 4 Filters |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1.07 kg |

## Product Details

- **Brand:** Filtrete
- **Material:** Polypropylene
- **MERV rating:** 11
- **Compatible devices:** Air Conditioner, Furnace
- **Item weight:** 2.35 Pounds
- **Global Trade Identification Number:** 50076308870923
- **Number of items:** 4
- **Manufacturer:** 3M
- **Product grade:** new
- **Unit count:** 4.0 Count

## Images

![Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31) - Image 1](https://m.media-amazon.com/images/I/616dNECjoBL.jpg)
![Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31) - Image 2](https://m.media-amazon.com/images/I/61Gg6opEevL.jpg)
![Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31) - Image 3](https://m.media-amazon.com/images/I/61qb9uEgw2L.jpg)
![Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31) - Image 4](https://m.media-amazon.com/images/I/81N7Ed-BqUL.jpg)
![Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31) - Image 5](https://m.media-amazon.com/images/I/711ftngpJ5L.jpg)

## Available Options

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

## Frequently Bought Together

- Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)
- Simply 16x25x1 Air Filter, MERV 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control
- Filtrete 20x25x4 Air Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 2 Filters

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-26*