The initial skepticism when unpacking with respect to the different size vanished quickly in the assembly. In the installation instructions, although focused on the thread are all sealed with Teflon tape, but the service went so far that this Teflon tape was applied. After a short run (about 2 liters) then clear tasty wet! Can not tell the difference in taste to the original and the replacement was despite the size difference within 7 min. done.