Question about PureMounts Pm-Adapt-C

Stolen from Interdiscount:

PureMounts VESA enlarger for VESA 200x200 for extension to 300x200 to 400x400 - 2-piece Universal VESA adapter for optimum attachment of your TV set to any universal wall mount.

I have no specific information on whether the PureMounts "PM-ADAPT-C" adapter extends a VESA size from 200x200 to 300x300. The information available refers to other adapter models that extend VESA sizes, but does not provide details on this specific model. It would be advisable to contact the PureMounts official website or customer service for more detailed information.