Did you know that the vast majority of manufacturers in the industry design their masks so that they have between 6 and 9 months of practical life of use. After more than 9 months, it is therefore quite normal to have a mask that is less efficient and offers less sealing and comfort. The solution is to replace it and buy a new one. For those who have insurance, it is important to contact them first and check what is the reimbursement period covered by your insurance plan. We are custodians of the brands of major manufacturers, do not hesitate to contact us to acquire your new mask.