I have received the filters and have been impressed thus far by your award winning service. However, I will be more capable in the very near future as to address the efficiency of the product since this is my first time using your product . My first impression is the product will be VERY ACCEPTABLE !
The customer rep who handled this exchange of the correct units, caused by my measurement error, was very helpful and pleasant to work with. She promptly processed the order and I am very satisfied.