Replacement cartridge, works as described - Katadyn Hiker/Hiker Pro Replacement Filter

I bought this for my almost 20 year old katadyn hiker. It arrived promptly, and fit perfectly. The new model also has an additional sleeve that is supposed to extend the life of the filter element by keeping more dirt on the outside. Haven't tested that out yet but seems to make sense. Not sure if there will be harder to pump from the extra membrane but I guess we will see