--- product_id: 16112319 title: "Air-O-Swiss AOS 7531 Demineralization Cartridge" brand: "boneco" price: "€ 129.78" currency: EUR in_stock: true reviews_count: 4 url: https://www.desertcart.hr/products/16112319-air-o-swiss-aos-7531-demineralization-cartridge store_origin: HR region: Croatia --- # 99% mineral reduction Easy snap-in replacement Prevents white dust buildup Air-O-Swiss AOS 7531 Demineralization Cartridge **Brand:** boneco **Price:** € 129.78 **Availability:** ✅ In Stock ## Summary > 💧 Breathe cleaner, live smarter — don’t let white dust cramp your style! ## Quick Answers - **What is this?** Air-O-Swiss AOS 7531 Demineralization Cartridge by boneco - **How much does it cost?** € 129.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/16112319-air-o-swiss-aos-7531-demineralization-cartridge) ## Best For - boneco enthusiasts ## Why This Product - Trusted boneco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Maintenance:** Snap-in design makes replacing the cartridge quick and hassle-free—no tools needed. - • **Optimized for Air-O-Swiss:** Specifically engineered to perfectly fit Air-O-Swiss ultrasonic humidifiers for peak performance. - • **Crystal-Clear Air Every Time:** Effectively eliminates minerals to stop white dust and keep your space pristine. - • **Extend Your Humidifier’s Life:** Protects internal components by filtering minerals, reducing wear and tear. - • **Trusted Quality at a Smart Price:** Premium Plaston cartridge ensures reliable filtration without breaking the bank. ## Overview The Air-O-Swiss AOS 7531 Demineralization Cartridge is a precision replacement filter designed for Air-O-Swiss ultrasonic humidifiers. It significantly reduces mineral content in water, preventing white dust buildup and protecting your device. Easy to install and maintain, this cartridge ensures cleaner air quality and extends the lifespan of your humidifier. ## Description Replacement 7531 De-Mineralization Cartridge 7531, For Air-O-Swiss Ultrasonic Humidifiers, Easy To Replace, Prevents Development Of White Dust, MAP Price $12.99. Review: Necessary Part - Not sure what to say really outside the fact that it supports my humidifier which is important so I have to like it. Wish it didn't cost so much but selavie... Review: save your money - Faulty product. Did not work. Empty shell filter without demineralizer. ## Features - Plaston #30879 7531 Replacement DMC Cartridge - PLASTON INTERNATIONAL CORP ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #3,017,487 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,878 in Respirator Cartridges & Filters | | Customer Reviews | 4.1 out of 5 stars 13 Reviews | ## Images ![Air-O-Swiss AOS 7531 Demineralization Cartridge - Image 1](https://m.media-amazon.com/images/I/61gd0tRGT2L.jpg) ![Air-O-Swiss AOS 7531 Demineralization Cartridge - Image 2](https://m.media-amazon.com/images/I/61DFcpjxTtL.jpg) ![Air-O-Swiss AOS 7531 Demineralization Cartridge - Image 3](https://m.media-amazon.com/images/I/81rxjzSjDpL.jpg) ## Questions & Answers **Q: Is this the authentic Ag+ Ionic Silver cartridge?** A: The first one we received looked identical to our original, the second one we ordered looked like it was refilled. **Q: I need the cap which attaches to the replaced filters. i believe i misplaced mine on the u200 unit. i this available as a spare part?** A: I would guess you would have to check with the manufacturer. I bought the filter only. **Q: Does this fit Air O Swiss humidifer 7135?** A: The package says "Demineralization Cartridge for all AIR-O-SWISS Ultra-sonic Humidifiers". It also shows a list with pictures for the humidifiers showing AOS 7131, AOS 7133, AOS 7135, AOS 7142, AOS 7144, AOS 7145, AOS 7147, AOS U600/AOS U650 **Q: How often do I have to buy a new cartridge?** A: Depends on how often you use the humidifier. I use mine daily, so I change the cartridge every 4-6 weeks. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Necessary Part *by H***S on June 25, 2013* Not sure what to say really outside the fact that it supports my humidifier which is important so I have to like it. Wish it didn't cost so much but selavie... ### ⭐ save your money *by L***M on January 2, 2021* Faulty product. Did not work. Empty shell filter without demineralizer. ### ⭐⭐⭐⭐⭐ Good price. *by T***J on January 6, 2017* Just what I wanted. ## Frequently Bought Together - Air-O-Swiss AOS 7531 Demineralization Cartridge - Leemone Humidifier Cleaner 12 Pack, Demineralization Cleaning Ball, Works in All humidifiers and Fish Tanks, Purifies Water, Prevents Hard Water Build-Up, Eliminates White Dust and Odor - The Original Humidifier Drops - Premium Food Grade Concentrate, Slows Down Residue Accumulation on Surfaces, Minimizes Scaling - Freshens Water in All Humidifier Models, 100+ Day Supply, Made in USA --- ## 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.hr/products/16112319-air-o-swiss-aos-7531-demineralization-cartridge](https://www.desertcart.hr/products/16112319-air-o-swiss-aos-7531-demineralization-cartridge) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-16*