Philips Respironics and Inogen are respiratory equipment manufacturers. Other respiratory equipment firms include King Systems, NovaPlus and Pari Respiratory Care. Products offered by these manufacturers include respirators, tracheotomy supplies, compressors, nebulizers and carbon dioxide absorbers.
Inogen manufactures oxygen-therapy equipment. The company's flagship products are its oxygen concentrators, which are lighter and more portable than traditional models.
Philips Respironics specializes in sleep apnea products. The DreamWear sleep apnea mask is a soft, low-profile mask designed for comfort. The mask connects to the DreamStation sleep apnea therapy machine. Philips Respironics also manufactures DreamMapper, a software program and mobile application that helps sleep apnea patients track their therapy progress and view data reports compiled by the DreamStation.