Replacement parts

After three years of use, my ceiling fan (Hampton Bay outdoor model) blades have sagged (warped). Besides the fact that they shouldn't have warped in three years, I have had no luck in finding Hampton Bay replacement blades - maybe that's a good thing. I bought Westinghouse white outdoor blades and what an improvement!

FLASH - Hampton Bay! Your name in fixtures and fans  is   - - - -!!!
Can't believe Home Depot continues to carry your products!  Maybe your company's stock is a short?