This was on sale with the same price on 05/17/2018 last year and it was on the FP. I bought this one and it has worked great for me. If I remember it correctly, this probably comes in a brown box.
The only issue I have is that when I carry this with strap on my shoulder, one of the latches (there are 2 latches that secure the main sprayer to its tank/container) sometimes opens itself. This is a flaw design because your body and/clothes will interact with the latch causing it to open for sure. Overall I am happy with this sprayer.
Please note that 1 gallon version is currently $10 more expensive than this 2 gallon sprayer.
https://www.homedepot.c