The description is more than poor ... there is no clear information is carried to the compatibility. Only div. Search the web and a little free interpretation led me to make the appointment. For other vendors noted the usability for both Gehäustypen, although the dimensions do not fit.
Conclusion: I have the original get back sides of the smaller 3+ housing. Since I have the older and larger housing for the 3 well, the comparison is not difficult.
