Well as I said before, at the beginning of the transaction you said I would get 10 % off by using this code number you gave me but at the end you didnt ask for the code number and it looked to me you changed me full amount ! So that I wasnt to happy about !
The filters seem to be good overall, but I don't think there is any quality control when filling orders. 1/6 of my filters had the spacing so bad that I don't think I'll use it out of concern the airflow will be restricted.