if you plan on using blinds just make sure you have them closed in the right direction because if they are in the wrong direction when someone walks by you will be able to see thru the blinds and see the wood you use to board up the other side of the window
your basement is unfinished right? so you use it for storage, so if you had curtains up and there is no light filtering through it, that shouldn't matter because you would rarely be down in your basement unless you were to get something down there, the only time you would see the lights on all...
carbon scrubber are better because they clean the exhaust air before it leaves the grow area and do not use electricity, where as the ozone generator are place behind the exhaust fan and will not remove most of the odor before leaving the grow area
you will need flex ducting, the filter would sit on the floor, you would connect the flex ducting to the filter and then connect the other end of the duct to the fan then suspend the fan to the ceiling and connect the flex duct to the other end of exhaust fan and exhaust it out of your grow...