Originally Posted by dogen
I contacted Gadget Boy for the promo code. I went through the steps to buy a hydration pack and when I entered the code I only got a 1 cent discount and no filter. Therefore I decided not to buy it. I'm guessing I didn't get the filter because I only ordered the "hydration engine" and not the full pack set up.
Ok, I stand corrected... you'll get the filter even if you just order the hydration pack