Product review (1 stars): INCOMPATIBLE TWIST LOCK for me
In my experience, this filter's twist-lock threads didn't correctly match my Samsung refrigerator (DA29-00003G filter specified), so it wouldn't fully engage or properly seat, resulting in thread deformation and a water leak.  Previously used Samsung OEM and other non-OEM filters successfully (although some generics required more torque to engage their twist-lock).  In my personal opinion, this filter's locking thread size/pitch deviates too far from OEM parameters. Despite my technical experience and education, this just did not work for me.