These any good?
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+10090+4036&pcatid=4036

They're cheap, which is what worries me...

Aquacave.com has them that cheap and better quality

New site for me, thank you VERY much!

Sam at Aquabuys has the same or similar in black and I believe they are less expensive. He usually has them in stock.