Here is the set up I used. Just pic your size.
My return is threadsxslip. Underneath I glued in the pvc, in the overflow I screwed in the return pvc standpipe
Bulkheads are used to attach plumbing to aquariums and sumps to allow water to flow through them. These low profile reef safe bulkheads are made from black ABS plastic. Our supplier manufactures these slightly thicker than competitor aquarium bulkheads making them more reliable. Bulkheads come...
www.bulkreefsupply.com
My drain is slipxslip. I glued underneath and press fit in the overflow. Mine does not leak. The friction fit is enough. You can get threadxslip there too.
Bulkheads are used to attach plumbing to aquariums and sumps to allow water to flow through them. These low profile reef safe bulkheads are made from black ABS plastic. Our supplier manufactures these slightly thicker than competitor aquarium bulkheads making them more reliable. Bulkheads come...
www.bulkreefsupply.com