I bet the band-aid company next door loves them. And the clean room where the filter media is processed is world class. The pre-installed rust is just a special feature that they pass on to the customer free of charge. But what do you expect for a $2.00 filter?
Never see anyone older than 30. There used up.
Did a lot of work at a pasta plant in st. louis. 30 to 50 labels from kraft to store brands to never heard of brands.