--- product_id: 3137213 title: "Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY" brand: "alen" price: "$269.42" currency: USD in_stock: true category: "Alen" url: https://www.desertcart.us/products/3137213-alen-classic-replacement-hepa-filter-pure-for-classic-air-purifier store_origin: US region: United States of America --- # Up to 12 months long-lasting use Cleans 1,100 sq.ft. every 30 mins Medical-grade H13 True HEPA filter Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY **Brand:** alen **Price:** $269.42 **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your air game—because your lungs deserve the best! ## Quick Answers - **What is this?** Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY by alen - **How much does it cost?** $269.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/3137213-alen-classic-replacement-hepa-filter-pure-for-classic-air-purifier) ## Best For - alen enthusiasts ## Why This Product - Trusted alen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Expansive Coverage:** Purifies air in spaces up to 1,100 sq.ft. every 30 minutes—perfect for home, office, or apartment living. - • **Year-Long Freshness:** Enjoy up to 12 months of continuous pure air without frequent replacements—effortless maintenance for busy lifestyles. - • **Trusted Allergy Defense:** Clinically effective at removing dust, pollen, pet dander, and VOCs—ideal for allergy and asthma sufferers craving relief. - • **BreatheSmart Precision Fit:** Specifically engineered for Alen BreatheSmart Classic for seamless replacement and peak performance. - • **Ultra-Fine Particle Capture:** Medical-grade H13 True HEPA filter traps 99.99% of particles as small as 0.1 microns—breathe cleaner, live better. ## Overview The Alen Classic Replacement Air Filter is a premium medical-grade H13 True HEPA filter designed exclusively for the BreatheSmart Classic air purifier. It efficiently cleans 1,100 sq.ft. of indoor air every 30 minutes by capturing 99.99% of airborne particles down to 0.1 microns, including dust, pollen, and VOCs. Engineered for long-lasting performance, this filter provides up to 12 months of superior air purification, making it an essential upgrade for allergy and asthma sufferers seeking cleaner, fresher air in their living or workspaces. ## Description Our HEPA air filter replacement is specifically designed for the Alen BreatheSmart Classic air purifier. When inserted into the BreatheSmart, this filter can clean 1,100 SqFt. of air every 30 minutes. This Alen air purifier filter is fantastic for an allergy sufferer in your home. The filter's medical-grade H13 True HEPA layer removes 99.99% of airborne particles larger than 0.1 micron. It's great for removing allergens and harmful fine pollutants. This high-quality product is made to be one of our finest allergy filters. It scrubs the air of dust and pollen particles that can be an unwanted nuisance for people with asthma and other medical issues related to air quality. Our Breathesmart replacement cartridge is manufactured to be long-lasting. Using our filter, you'll get up to 12 months of pure air production in your home, apartment, or office space. Alen air purifiers for homes make it easy to purchase replacement air filters. Simply look on the top panel of the unit to find out which type of air filter you'll need to order. For this filter, the writing on the purifier should read "BreatheSmart." ## Features - REPLACEMENT AIR FILTER: Our HEPA air filter replacement is specifically designed for the Alen BreatheSmart Classic air purifier. Insert our air purifier filter into the BreatheSmart and watch it clean 1,100 sq. ft. of air every 30 minutes. - EFFECTIVE AIR PURIFIER FILTER: This Alen air purifier filter replacement is fantastic for better air in your home. The HEPA filter replacement features a medical-grade H13 True HEPA layer that captures 99.9% of airborne particles larger than 0.1 micron. These HEPA filters are great for capturing dust, allergens, and harmful fine pollutants. - GENUINE ALEN REPLACEMENT FILTERS: This high-quality air filter replacement is made to be one of our finest allergy filters. It scrubs the air of dust and pollen particles that can be an unwanted nuisance for people with asthma and other medical issues related to air quality. - LONG-LASTING PURE AIR FILTER: Our BreatheSmart replacement air filters for air purifiers is manufactured to be long-lasting. Using our air purifier replacement filter, you'll get up to 12 months of pure air production in your home, apartment, or office space. - TRANSFORM YOUR INDOOR AIR WITH ALEN: Here at Alen, we are dedicated to improving the quality of people’s lives by researching and developing cleverly designed and expertly crafted air purifying solutions that will utterly transform the air quality inside of virtually any indoor environment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00BWSB2P6 | | Best Sellers Rank | #50,600 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #310 in Air Purifier Filters | | Brand Name | Alen | | Color | Hepa-pure | | Contaminant Filtration Capability | Dust, Pollen, pet_dander, volatile_organic_compounds_(vocs) | | Control Method | Touch | | Customer Reviews | 4.7 4.7 out of 5 stars (193) | | Filter Class | HEPA | | Filter Type | HEPA | | Floor Area | 1100 square_feet | | Global Trade Identification Number | 00893127001520 | | Item Highlight | For Allergens, Dust, Viruses, Dander, Fur. Medical-grade HEPA with Carbon Catalyst Blend - FOR CLASSIC AIR PURIFIER ONLY | | Item Type Name | Alen Replacement Air Filter for BreatheSmart Classic | | Item Weight | 16 ounces | | Manufacturer | Alen | | Model Number | BF35 | | Number of Packs | 1 | | Part Number | BF35 | | Particle Retention Size | 0.1 micron | | Software Update Supported to Date | unknown | | Special Features | Basic air filter offers a True HEPA Filter to capture 99.97% of airborne particles down to 0.3 microns | | Specification Met | certified frustration-free | | UPC | 893127001520 | | Unit Count | 1 Count | | Warranty Description | All alen's air purifiers include a warranty if used in the contiguous united states only. | ## Product Details - **Brand:** Alen - **Color:** Hepa-pure - **Control Method:** Touch - **Filter Type:** HEPA - **Item Weight:** 16 ounces ## Images ![Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY - Image 1](https://m.media-amazon.com/images/I/61cWzZyRseL.jpg) ![Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY - Image 2](https://m.media-amazon.com/images/I/418CBJ3epjL.jpg) ![Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY - Image 3](https://m.media-amazon.com/images/I/513TPoodeZL.jpg) ![Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY - Image 4](https://m.media-amazon.com/images/I/51GRjlTBdXL.jpg) ![Alen Classic Replacement HEPA Filter, Pure - FOR CLASSIC AIR PURIFIER ONLY - Image 5](https://m.media-amazon.com/images/I/41J6VzPvTgL.jpg) ## Available Options This product comes in different **Pattern, Style** options. --- ## 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.us/products/3137213-alen-classic-replacement-hepa-filter-pure-for-classic-air-purifier](https://www.desertcart.us/products/3137213-alen-classic-replacement-hepa-filter-pure-for-classic-air-purifier) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-22*