Respironics, Inc. warrants that the device and replaceable components (including the mouthpiece assembly, inlet screen, and cap) shall be free from defects in workmanship and materials and will perform in accordance with the product specifications for a period of two (2) years for the device and sixty (60) days for the replaceable components from the date of sale by Respironics, Inc. to the customer. If the product fails to perform in accordance with the product specifications, Respironics, Inc. will repair or replace, at its option, the defective material or part. This warranty does not cover damage caused by accident, misuse, abuse, alteration and other defects not related to material or workmanship.