Ecofilters, a trimmed version of the popular Andreae filter, were immensely popular for a long time. The crude brown packaging with a green leaf printed on it not only looked unassuming, but was completely irrelevant to buyers. Why? Because the price makes wonders! Nevertheless, with the rebranding of AF, the Ecofilters brand could not be neglected. But how to make it relate in any way to its premium big brother? Is this even possible without increasing the costs?