I ordered white PVC sanitary tee's from some site in the US. It cost me something like $3 each for the tees and $20 to ship 4 of them. Oh well.
More importantly - you should really consider an external overflow. You can still apply Bean's principals, but you might not need the sanitary tees.
On my 90g, I built the Beananimal overflow exactly as it is documented. It worked great. On my new tank, I modified it a little and built it externally.
Just a thought...
- Brad
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