RespShop offers the lowest prices on CPAP machines, masks, and oxygen supplies. Shop the best selection from ResMed, Respironics & other top manufacturers. RespShop provides an expansive selection of high-quality CPAP machines, masks, humidifiers and more for home and clinical use. We are on hand not only to help you find the appropriate supplies for helping you deal with sleep apnea and other conditions, but also for providing you with the knowledge and resources you need to make the best possible treatment decisions for your lifestyle, budget and personal needs.