Returns and exchanges may be made within one year for a product that has never been used.   Please include all the original documentation, and print the "return authorization" number on the outside of the package This number can be obtained by calling (561) 995-9800. All returns and exchanges are subject to a 15% fee for retesting to comply with FAA requirements.

M-20 Ultra Air/Oil Separators
5612 NW 38^th Terrace
Boca Raton, FL 33496-2719