I recently bought a whole bulk of air filters for my central heating and a/c unit, the air filters were on sale from an Heating, Ventilation and A/C wholesale contractor in the city, then i sometimes go down there and take advantage of the wonderful deals they have on all kinds of heat and a/c products. The guy that runs the Heating, Ventilation and A/C contractor wholesale warehouse knows myself and others pretty well. I buy from him at least once or twice a year, but most of the time I am buying air filters. The deals he has on those air filters are better than anything you could get online or in any other store. I guess this is why he does absolutely wonderful business; But anyway, this time when I bought the air filters home and opened up the box there was something wrong. The air filters were torn! Yes that is right! The air filters were literally ripped and had holes in them! This had to have been some kind of factory defect; So I went back to the heating and a/c wholesale contractor outlet the next afternoon to return them. When I told him what happened he could not suppose it, then he was absolutely sorry about it and ended up giving a current stock of those air filters. He also said to myself and others that in light of the defective air filters that he was going to provide myself and others an extra pack of them! For free! I absolutely thought that was totally awesome of him. What a good guy he is!