Oceanic 90Gal Tech tank question

[PolandSpring]

i'm upgrading my tank to a oceanic 90gallon tech tank and i am having a custom made sump but i need to know the size of the bulkheads for the tank. Does anyone know if it is 1'' or 1.5'' for the 90gal?

 

[Keith P]

I believe it has 4 1" Schedule-40 bulk heads.