Ok, So here's the plan
I have a 140 Oceanic tank with two corner overflows, intakes are 1 1/4" with 1" durso tubes, returns are 3/4" ending in a "Y" into two Loc-Line nozzles with the 5/8" round nozzles, both returns will have anti-siphon tubes attached. the back of the tank has two 1" intakes...