Best Pre-Filter Air Purifiers of 2025

The Honeywell HA170E1 Pre-Filter is an essential replacement for your Honeywell True HEPA air purifier. It effectively captures larger particles in the air, helping you breathe easier and enjoy a cleaner environment. Additionally, this pre-filter works to neutralise unpleasant odours, creating a more pleasant atmosphere in your home. With two filters included in each pack, you can conveniently replace them every 2-3 months, ensuring your air purifier operates at its best for optimal air quality.

The Blueair 3250 Prefilter Cover is specifically designed for the Blue Max 3250 Auto and 3250i air purifiers. This stylish Limestone Beige cover not only enhances your home’s decor, inspired by Swedish nature, but also helps extend the life of your air purifier. It effectively captures large airborne particles like dust, pollen, and pet hair, ensuring cleaner air. Additionally, the washable design means you can easily maintain it by simply vacuuming or washing it in the machine, making it both practical and convenient for your daily use.

The Blueair 221 Pre-Filter is an essential spare for your Blue 221 Air Purifier. It effectively catches larger particles, helping to prolong the life of the main filter, which means you won't have to replace it as frequently. Additionally, this pre-filter is machine washable, making maintenance simple and convenient. You can also choose from five vibrant colours to easily update the look of your air purifier, allowing you to match it with your home décor effortlessly.

The LEVOIT Vital 100S is an advanced air purifier designed to enhance your indoor air quality. With its unique Pet Mode, it effectively captures pet hair and large particles, ensuring a cleaner environment for you and your pets. The three-stage filtration system removes 99.97% of allergens, including pollen and dust, making it ideal for allergy sufferers. Additionally, with a Clean Air Delivery Rate (CADR) of 243 m³/h, it can quickly purify large spaces, giving you peace of mind in a matter of minutes.

The Coway Mighty is an exceptional air purifier designed to enhance your indoor air quality. It effectively eliminates 99.999% of airborne allergens, including pollen and dust, making it ideal for allergy sufferers. With a Clean Air Delivery Rate of 421 m³/h, it can purify larger rooms swiftly, achieving noticeable results in just 15 minutes for smaller spaces. The filters last up to 12 months, saving you money on replacements while ensuring you enjoy fresh air year-round.

The LEVOIT Core 600S Filter is designed to keep your air purifier performing at its best. It features an ultra-fine nylon pre-filter that effectively captures large particles like dust and pet fur, extending the filter's lifespan. The upgraded HEPASmart technology ensures the removal of 99.97% of allergens, providing you with cleaner air. Additionally, the activated carbon filter works to eliminate unpleasant household odours, ensuring your living space remains fresh and inviting.

The Braun Scan & Clean Purifier is designed to improve your indoor air quality significantly. Its triple filtration system removes up to 99.9% of ultrafine particles, making it ideal for allergy and hayfever sufferers like you. With a smart air quality sensor, it monitors your environment and adjusts the cleaning intensity automatically, ensuring efficient air purification. Maintenance is a breeze thanks to the permanent washable pre-filter, which captures larger particles such as dust and pet dander, keeping your space cleaner with minimal effort.

The WuYan Winix Filters utilise TRUE HEPA technology to effectively remove up to 99.97% of airborne pollutants, including dust, pet dander, and mould spores. This ensures that you breathe cleaner air, enhancing your comfort and well-being, particularly during allergy season. The 3-stage filtration system, which includes a pre-filter and activated carbon filter, captures unwanted particles and odours before a fan circulates the purified air back into your space. Additionally, the low noise operation keeps your environment peaceful, making it ideal for use at home or in the office.

The Blueair Blue Max Prefilter Cover is specifically designed for the Blue Max 3450i air purifier. Its Moss Green colour not only enhances the aesthetic of your home but also reflects Scandinavian design inspiration. This washable pre-filter cover significantly extends the life of your air purifier by capturing larger airborne particles like dust and pet hair. You can easily keep it clean by vacuuming or washing it in the machine on a gentle cycle, ensuring that your air purifier continues to perform at its best.

The Coway Air Purifier offers innovative MegaJet technology, allowing you to customise the airflow direction for a targeted clean-air experience or widespread coverage. It effectively eliminates 99.999% of airborne allergens, ensuring a healthier environment for allergy sufferers. With a Clean Air Delivery Rate of 402 m³/h, it rapidly improves air quality in rooms up to 104㎡. Additionally, its quiet operation at just 20 dB in sleep mode means you can enjoy clean air without disturbances, even while you sleep.