You could add a UAT in your tank, or if you have any roon for it, A small hopper tank is nice. I prefer the hopper tanks myself.

You can try these guys. There are awesome for customer service, and if they don't have it, they will make it!
http://www.hygenic.com/Default.aspx

If you tell them what you need, They will know what to send you. Just make sure you know the OD and ID of what your looking for. Good luck and let us know what you come up with!

DM