--- product_id: 668033619 title: "BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier" brand: "blueair" price: "¥33791" currency: JPY in_stock: true reviews_count: 5 category: "Blueair" url: https://www.desertcart.jp/products/668033619-blueair-blue-pure-311i-max-series-allergenblock-filter-genuine-replacement store_origin: JP region: Japan --- # 6-month auto-replacement cycle 4-layer advanced filtration 90% allergen neutralization BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier **Brand:** blueair **Price:** ¥33791 **Availability:** ✅ In Stock ## Summary > 🛡️ Breathe Boldly: Your Allergy Armor for a Cleaner, Happier Home ## Quick Answers - **What is this?** BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier by blueair - **How much does it cost?** ¥33791 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/668033619-blueair-blue-pure-311i-max-series-allergenblock-filter-genuine-replacement) ## Best For - blueair enthusiasts ## Why This Product - Trusted blueair brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sleek & Sustainable:** Lightweight pleated design ensures efficient airflow while maintaining eco-conscious durability. - • **Effortless Freshness:** Subscribe & save with automated filter replacement every 6 months—never miss a beat. - • **Seamless Compatibility:** Specifically engineered for Blue Pure 311i Max & 311i+Max air purifiers for peak performance. - • **Ultimate Allergen Shield:** Neutralizes over 90% of pollen, dust, and pet dander for sneeze-free living. - • **Quadruple Filtration Power:** Four-layer design including activated carbon to trap allergens and reduce household odors. ## Overview The BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter is a genuine replacement filter designed to fit Blue Pure 311i Max air purifiers. Featuring a four-layer filtration system with an AllergenBlock defense layer, it neutralizes over 90% of common allergens like pollen, dust, and pet dander. The activated carbon layer also reduces light household odors. Lightweight and pleated for optimal airflow, this filter should be replaced every 6 months for continuous allergen protection. Compatible exclusively with 311i Max models, it offers an automated subscription option for hassle-free maintenance. ## Description Upgrade your defenses and boost allergen protection. AllergenBlock* defense layer neutralizes over 90% of the allergen properties such as sneeze-inducing dust, pollen and pet dander that can trigger discomfort. Blue Pure 211i Max Series AllergenBlock Blueair filter is designed for optimal performance. Compatible with Blue Pure 211i Max air purifier. *AllergenBlock refers to inanimate allergens pollen, dust and pet dander. Based on ELISA deactivation testing of Pollen (Cry J1), Pet Dander (Fel d1, Can F1), Dust Mite Matter (Der f1) on the filter media in 60 minutes. Review: Refills - Love the refills and easy to replace. Review: Read the description for the proper fit, NOT A + MODEL - If you are reading this before placing your order and you own a 331i+, this is the wrong filter. That + is a larger model and this one won’t fit. Don’t be like Bob. Read the description very, very carefully! 😆😁 On another note, I love my Blue Air! ## Features - BOOST ALLERGEN PROTECTION: AllergenBlock defense layer neutralizes over 90% of the allergen properties such as sneeze-inducing dust, pollen and pet dander that can trigger discomfort* - UPGRADE YOUR DEFENSES: Blue Pure 311i Max Series AllergenBlock Blueair filter is designed for optimal performance; Compatible with 311i Max and 311i+Max air purifier* - SNEEZE-INDUCING ALLERGENS: Four layers of air purifier filtration; AllergenBlock defense layer neutralizes over 90% of pollen, dust and pet dander on the Blueair filter; Carbon layer reduces light household odors* - AUTOMATED FILTER REPLACEMENT: Subscribe and save up to 10% on auto-delivered filters when replacement is needed; When used 24 hours a day, your Blueair filter should be replaced every 6 months to effectively reduce airborne pollutants and allergens ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08KQKR8LY | | Air Filter Construction | Pleated | | Best Sellers Rank | #41,988 in Kitchen ( See Top 100 in Kitchen ) #327 in Air Purifier Filters | | Brand | BLUEAIR | | Brand Name | BLUEAIR | | Common Applications | Residential, Appliances | | Compatible Devices | Air Purifier | | Compatible devices | Air Purifier | | Customer Reviews | 4.6 out of 5 stars 127 Reviews | | Filter Shape | Rectangular | | Included Components | Air Purifier Replacement Filter | | Item Dimensions L x W x Thickness | 45L x 29W x 9.4Th centimeters | | Item Type Name | Air Purifier Filter | | Item Weight | 0.76 Kilograms | | Item weight | 0.76 Kilograms | | Manufacturer | Blueair | | Manufacturer Part Number | 111228 | | Material | Activated Carbon | | Material Type | Activated Carbon | | Model Number | 111228 | | Number of Items | 1 | | Product Grade | Replacement Filter | | Product dimensions | 45L x 29W x 9.4Th centimeters | | UPC | 689122026718 | | Unit Count | 1 Count | ## Product Details - **Brand:** BLUEAIR - **Compatible devices:** Air Purifier - **Item weight:** 0.76 Kilograms - **Material:** Activated Carbon - **Product dimensions:** 45L x 29W x 9.4Th centimeters ## Images ![BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier - Image 1](https://m.media-amazon.com/images/I/71MaIdrOfeL.jpg) ![BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier - Image 2](https://m.media-amazon.com/images/I/81qT3vlX7TL.jpg) ![BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier - Image 3](https://m.media-amazon.com/images/I/71ym+Mfv-1L.jpg) ![BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier - Image 4](https://m.media-amazon.com/images/I/71sr7-RkTYL.jpg) ![BLUEAIR Blue Pure 311i Max Series AllergenBlock Filter, Genuine Replacement Filter for Allergies, Pollen, Dust, Pet Dander, Fits Blue Pure 311i Max Air Purifier - Image 5](https://m.media-amazon.com/images/I/71zi69ffUtL.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: How often do I need to change the filters?** A: Your filter will last up to 9 months thanks to our proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels. **Q: What pollutants does the Blue Pure 311i Max filter out?** A: Our HEPASilent dual filtration technology removes 99.97% of airborne particles, ensuring pollen, cooking odors, smoke, dust, pet dander, mold, chemicals, allergen matter and even tiny particles such as viruses and bacteria, are captured. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Refills *by L***A on 5 June 2026* Love the refills and easy to replace. ### ⭐⭐⭐⭐⭐ Read the description for the proper fit, NOT A + MODEL *by K***D on 9 March 2026* If you are reading this before placing your order and you own a 331i+, this is the wrong filter. That + is a larger model and this one won’t fit. Don’t be like Bob. Read the description very, very carefully! 😆😁 On another note, I love my Blue Air! ### ⭐⭐⭐⭐⭐ Accurate description and product! *by I***E on 16 March 2026* Exactly what I needed --- ## 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.jp/products/668033619-blueair-blue-pure-311i-max-series-allergenblock-filter-genuine-replacement](https://www.desertcart.jp/products/668033619-blueair-blue-pure-311i-max-series-allergenblock-filter-genuine-replacement) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-09*