When considering the longevity of a CPAP mask, one might wonder: how frequently should I replace my ResMed CPAP mask to ensure optimal performance and hygiene? Could it be that the frequency of replacement is influenced by various factors, such as usage intensity, maintenance practices, and environmental conditions? Is there a general guideline that could aid in determining the appropriate replacement timeline? As the mask endures nightly wear and tear, can the material’s degradation impact the effectiveness of my therapy? Furthermore, is it imperative to be vigilant about signs of deterioration, such as discoloration or a compromised seal, which could alter comfort and efficacy? Should one also consider the manufacturer’s recommendations and the nuances of individual health needs? What about incorporating best practices for cleaning and upkeep, which may inadvertently extend the lifespan? Thus, what comprehensive approach should one take in evaluating the necessity for a new CPAP mask?