sump pump discharge question

I'm sure my description was lacking...my wife says I speak English but she doesn't understand what I'm trying to say. anyway, this is what I was trying to describe:
https://www.homedepot.com/p/Oatey-S...0-DFU-Branch-and-24-DFU-Stack-39018/100140686oh, and thanks, I do have a check valve in there