venting

will these work for a cabnet grow or to much the first one is cage fan and other is a exuast fan out of ac unit

As long as air is being sucked out and fresh is being drawn in. It will work no matter what you use or how you do it. You have somthing i am sure you can work with. With some creative thinking......:jointsmile:

Those will work just fine, but are overkill for a small cabinet grow. You might get too much air flow with those, lol.