{"product_id":"cpap-filter-upgrade-hepa-activated-carbon","title":"CPAP filter upgrade HEPA + activated carbon","description":"\u003cli\u003eCPAP filter upgrade HEPA + activated carbon designed to improve air quality and filtration performance for your CPAP system. The CS ULTRA delivers a high-performance solution for users looking to upgrade beyond standard filters.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eThe next generation of CPAP air filtration is here. This CPAP filter upgrade HEPA + activated carbon uses a triple-layer system to help capture particles, reduce odors, and improve overall air quality during use. Designed for compatibility with ResMed AirSense and AirCurve 10 and 11 devices, it enhances filtration compared to standard OEM filters.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eTriple-Layer Filtration\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eCarbon Pre-Filter (2 mm): Captures dust, hair, and helps reduce odors and VOCs\u003c\/li\u003e\n\n\u003cli\u003eH13 HEPA Core: Traps ≥99.95% of particles ≥0.3 μm\u003c\/li\u003e\n\n\u003cli\u003eNon-woven HEPA Composite Layer: Provides final-stage filtration\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eWith approximately 5× the surface area of standard filters, the CS ULTRA supports extended use and consistent airflow performance.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eWhat’s Included\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003e1× CS ULTRA filter adapter\u003c\/li\u003e\n\n\u003cli\u003e2× HEPA filters + 2 bonus filters (4 total during intro offer)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eKey Specifications\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eDimensions: 45 mm × 15 mm × 18 mm\u003c\/li\u003e\n\n\u003cli\u003eHEPA Surface Area: ~64.8 cm²\u003c\/li\u003e\n\n\u003cli\u003eAirflow Support: Up to 100 L\/min\u003c\/li\u003e\n\n\u003cli\u003eCompatibility: ResMed AirSense \/ AirCurve 10 \u0026amp; 11\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eCompared to standard filters, this CPAP filter upgrade HEPA + activated carbon provides higher filtration efficiency, added odor reduction, and multi-layer protection.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003c\/li\u003e\u003cli\u003eUsage Notes\u003c\/li\u003e\n\n\u003cli\u003eReplace every 1–3 months, or sooner in dusty environments. Designed as supplemental filtration.\u003c\/li\u003e","brand":"Cspring™","offers":[{"title":"Airsense 11 \/ Aircurve 11","offer_id":46638910767348,"sku":"CS-ULTRA-AS11","price":42.0,"currency_code":"GBP","in_stock":true},{"title":"Airsense10 \/ Aircurve 10","offer_id":46638910800116,"sku":"CS-ULTRA-AS10","price":42.0,"currency_code":"GBP","in_stock":true},{"title":"AirMINI \/ AirMINI Pro","offer_id":46877774020852,"sku":"CS-ULTRA-MINI","price":42.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/0561\/1764\/files\/Airfilter-HEPA-FIlter-AS11-AC11.jpg?v=1750347126","url":"https:\/\/www.uk.cspring.store\/products\/cpap-filter-upgrade-hepa-activated-carbon","provider":"Cspring™","version":"1.0","type":"link"}