Breathe Fresh, Live Well! 🌬️ Experience cleaner air with advanced HEPA filtration. Effortless installation for hassle-free maintenance. Manufactured by Rouniyar Enterprises, ensuring reliability. Perfectly fits Devill Biss and Dynmed oxygen concentrators. Replace every 6 months for optimal efficiency. HEPA filtration Made in India 6-month lifespan The Rouniyar Hepa Filter is designed specifically for Devill Biss and Dynmed oxygen concentrators, ensuring optimal air quality and efficiency. With a recommended replacement every 6 months, this filter is easy to install and maintain, making it a reliable choice for your health needs.