This is the Genuine Nissan Transmission Cooler Flush Fluid.

This Cooler Flush helps prevent transmission contamination. It removes sludge and debris from the transmission cooler such as metal particles. It also protects transmission components for extended life and performance as well as it removes gums and varnishes.

Instructions for use can be found in your original Nissan Service Manual, or it can be found on the side of the can.