--- product_id: 483143367 title: "Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc." brand: "bosch thermotechnik" price: "$151.26" currency: USD in_stock: true reviews_count: 13 url: https://www.desertcart.us/products/483143367-bosch-original-air-4000-i-filter-air-purifier-3-in store_origin: US region: United States of America --- # 120W power for efficient purification Activated carbon neutralizes odors HEPA filters 99.97% particles ≥0.3μm Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. **Brand:** bosch thermotechnik **Price:** $151.26 **Availability:** ✅ In Stock ## Summary > 🌬️ Breathe brilliance: Award-winning clean air, effortlessly. ## Quick Answers - **What is this?** Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. by bosch thermotechnik - **How much does it cost?** $151.26 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/483143367-bosch-original-air-4000-i-filter-air-purifier-3-in) ## Best For - bosch thermotechnik enthusiasts ## Why This Product - Trusted bosch thermotechnik brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Powerful:** Sleek 23.5cm cube design fits seamlessly into your modern home or office while delivering robust air cleaning. - • **Award-Winning Design:** German Design Award & Red Dot 2023 winner—style meets cutting-edge air purification technology. - • **Triple-Layer Defense:** Pre-filter, HEPA, and activated carbon combine to eliminate dust, allergens, and odors for pristine air. - • **Effortless Maintenance:** Smart display alerts you exactly when it’s time to replace the filter—never miss a beat in clean air. - • **Long-Lasting Performance:** Durable filter ensures months of continuous, effective pollutant removal without compromise. ## Overview The Bosch Original Air 4000(i) Filter is a 3-in-1 air purifier filter featuring a pre-filter, HEPA layer capturing 99.97% of particles down to 0.3 microns, and activated carbon to neutralize odors. With a compact 23.5cm design and 120W power, it offers long-lasting, efficient air purification. Recognized by the German Design Award and Red Dot 2023, it combines superior performance with sleek aesthetics and smart maintenance alerts for a premium clean air experience. ## Description Since 2012, the German Design Award has been identifying significant design trends, presenting them to a broad audience and honoring them. Every year, exceptional contributions from the fields of product design, communication design and architecture are honored. The Bosch air purifiers (Air 4000 and Air 6000) convinced with their modern design and won the German Design Award 2023 in the category "Excellent Product Design - Household". "In search of good design" - the Red Dot Design Award is one of the largest design competitions worldwide. The Red Dot label has established itself internationally as one of the most coveted seals of quality for good design. The Bosch air purifiers (Air 2000, Air 4000 and Air 6000) have been awarded the Red Dot award in 2023. ## Features - Simply Clean Air: The filter effectively cleans the air in your home and thoroughly removes existing pollutants - Air Purification: The pre-filter removes large particles such as dust from the air, while the HEPA filter layer filters out ultra-fine particles. The active carbon filter reliably reduces unpleasant odours in the home - Easy to Use: Quick and easy filter change for improved air quality - Long-lasting Filter Performance: The filter has a long durability, which ensures long-lasting, effective air purification - Maintenance and Replacement Instructions: The filter status of the air purifier is continuously shown on the display so that you always know in good time when it needs to be replaced ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0B7BV1YDS | | Best Sellers Rank | 28,065 in Home & Kitchen (See Top 100 in Home & Kitchen) 27 in Air Purifier Filters | | Brand Name | Bosch Thermotechnik | | Colour | White | | Contaminant Filtration Capability | Yes | | Control Method | Touch | | Controller Type | Touch Control | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (289) 4.6 out of 5 stars | | Eu Spare Part Availability Duration | 1 Years | | Filter Class | HEPA, Koolstof, Voor | | Filter Type | 3-in-1 filter with pre-filter, HEPA and activated carbon | | Item Dimensions D X W X H | 23.5D x 23.5W x 23.5H centimetres | | Item Weight | 0.73 Kilograms | | Manufacturer | Bosch Thermotechnik GmbH | | Model Number | 7733701945 | | Number Of Packs | 1 | | Part Number | 7733701945 | | Particle Retention Size | 0.3 Micron | | Power Source | Corded Electric | | Special Features | Replacement filter for air purifiers | | Unit Count | 1.0 count | | Wattage | 120 watts | ## Product Details - **Brand:** Bosch Thermotechnik - **Colour:** White - **Item weight:** 0.73 Kilograms - **Power source:** AC adapter - **Product dimensions:** 23.5D x 23.5W x 23.5H centimetres ## Images ![Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. - Image 1](https://m.media-amazon.com/images/I/71pRPsdPLjL.jpg) ![Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. - Image 2](https://m.media-amazon.com/images/I/81mLmIZz77L.jpg) ![Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. - Image 3](https://m.media-amazon.com/images/I/71l83K6Q8qL.jpg) ![Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. - Image 4](https://m.media-amazon.com/images/I/71AS+09idWL.jpg) ![Bosch Original Air 4000(i) Filter, Air Purifier | 3-in-1 Filter with HEPA Filter Layer & Activated Carbon Filter, Against Pollutants, Viruses, Pollen, Pet Hair, Dust, etc. - Image 5](https://m.media-amazon.com/images/I/71JiXM5pzHL.jpg) ## Available Options This product comes in different **Set name** options. ## Questions & Answers **Q: Do the filter have right-way-Up?** A: I believe I do its the same way as the original one **Q: Is the replacement filter recycable?** A: No thanks ## Customer Reviews ### ⭐⭐⭐⭐⭐ Expensive, but worth it *by on Reviewed in the United Kingdom 4 March 2026* We bought this to deal with air quality issues caused by our use of a log burner and poor outside air quality. We chose Bosch over others based on the name and the cost of replacement filters. It has proved excellent in use and, from conversations with neighbours, much cheaper to run than their alternatives which have required frequent filter replacements - some even use 2 filters. ### ⭐⭐⭐⭐⭐ Bosh original air 500 filter *by on Reviewed in the United Kingdom 4 July 2026* Really pleased with these, keeps my room fresh ### ⭐⭐⭐⭐⭐ All good *by on Reviewed in the United Kingdom 22 July 2026* All good ## Frequently Bought Together - Bosch Filter for Air Purifiers Air 4000 - Bosch Air 4000 Air Purifier for up to 62.5 m² - Removes efficiently Dirt with HEPA Filter, Smart Sensor, Quiet Mode - Suitable for Allergy Sufferers --- ## 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/483143367-bosch-original-air-4000-i-filter-air-purifier-3-in](https://www.desertcart.us/products/483143367-bosch-original-air-4000-i-filter-air-purifier-3-in) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-15*