Priced the filter is unbeatable. Comparing him directly with an original Siemens, initially falls on an only slightly cheaper plastic. Exactly prepares for installation problems, however. The clamp sits quite loosely and it happens all the time that the filter by itself triggers the bracket. Slightly bend and push fixes the problem until you get to the next filter bag change again to close. So you should check before each suction if the good piece is firmly anchored. The filter cloth and thus the life nahzu are identical to the original.
Conclusion: Recommended if you can not bear the additional expenditure by control.
