Stay healthy during cold seasons with ResMed’s antimicrobial CPAP filters at Grand Medical. AirSense machines feature silver-ion filters killing 99.9% of viruses/bacteria. Buy or rent in Delhi NCR/Chandigarh with immune-boosting humidifiers. Includes vitamin C supplements. Defend against infections—upgrade your filters! https://grandmedicalcorporation.com/product-category/cpap-machine/