I ordered two of these from BRS to get my skimmer plumbed in but didn't actually need them. I thought before I shipped them back I would see if anyone needed them. Let me know in the next few days, otherwise I will just ship them back.
http://www.bulkreefsupply.com/metric-to-standard-pvc-adapters.html
http://www.bulkreefsupply.com/metric-to-standard-pvc-adapters.html