Nope
Yes for the pump. You should be able to Google the pump and you will get all the specs for it. The reason I ask is if it's 395 gph at 3-4 feet the gph will be much lower.For the pump
Ok I well post pic one I get itOk that’s good. Just make sure the overflow box you get can handle that much flow. If the drain in the overflow box is at least 1” you are good. A 1” drain can handle a ton of flow
I just got it today is going to be going to my 75 gallonI've used those CPR overflows for years on old tanks. How long is it and what size tank is it going on?