Warranty (Canada & USA)

Design Filtration Inc. warrants the equipment be free of defects in materials and workmanship from the date of invoice. The specified equipment shall be warranted against defects for a period of three years, one year for custom equipment. Any units or parts found to be defective during this period will be replaced or repaired at our discretion. The buyer agrees to assume all transportation charges prepaid for return of unit to factory for repair. Design Filtration Inc will not accept charges for removal or re-installation. Design Filtration will not accept any returned items without prior written consent. Design Filtration Inc is not responsible for repair or replacement by misuse or abuse by incorrect operating procedures of its equipment. HEPA filters are warranted for a period of one year when operated in cleanroom conditions, premature loading of HEPA is not covered in this warranty. Pre-filters carry no warranty against loading. Any modifications or changes made to equipment by customer without written consent of Design Filtration Inc. will void the warranty.

Model number and serial number must be provided to verify invoice date. Failure to provide will void warranty.