supply wrong parts and wont refund

Bought service parts for KIA Sorento from these ****** using my car's VIN number. When it came to fitment, the air filter was not correct. We slid the air filter in and it was to long and we could not close the air filter casing. I called back and was reasured that I could return it for a refund. So it sat in its box on my desk for a week until i could return it. Yesterday, our driver returned the filter and I got a call from the branch manager, claiming that I had used it, and that the casing was damaged and that they will not refund me. He sent me photos, and the filter I bought was actually in a better condition than their filters. 3 very small marks from when we fitted the filter. but after some very rude remarks from the branch manager and telling me that I am lair, I had our driver bring the filter back. The 3 marks were brushed off with a clean cloth and there was no damage what so ever to the casing. So there I have now lost R162.90 which might not be a lot of money, but the rudeness and lies really got to me. They can even supply the correct parts for a car using a VIN number. if you want to be ****med go buy from them, but i would rather pay a couple of bucks more, get the right items from Goldwagen and be helped with a smile and be listened to when i explain. Never do business with these a$$holes. they dont even deserve a ****** star.