Halos® Pack of 32 Halos is a 16 day supply of disposable interface for the Eclipse CPAP Headgear Free CPAP frame (sold separately). Halos are the only clinically proven not to leak, headgear free CPAP solution and the only CPAP solution fully made in the USA. Eliminates/significantly reduces claustrophobia, and drives patient comfort and health. Nothing inserts into the nostrils, reducing irritation. Halos are hypoallergenic using gentle surgical grade, PBA, Corn and Latex-Free adhesive. Application requires gentle cleansing of the nasal area using Dream Preps™ or mild astringent such as witch hazel or alcohol for oily skin; ensure that skin is dry before applying ports. Note that soap contains oils which interfere with seal. Using a mild astringent is critical for an optimal seal.