On Wed, 12 Jun 2013 23:09:18 -0700, DD_BobK wrote:
http://www.manuf-rubber.com/sizing_gauges.html

Thanks for the manuf-rubber reference.
You have a wealth of knowledge & experience.

I checked their prices against that of the rest for all my
o-ring needs, and they do, indeed, consistently come out
in the top category, equal to or slightly above prices of
the first two.

BEST PRICES:
1. http://oringwarehouse.com
2. http://theoringstore.com
3. http://www.manuf-rubber.com

GOOD PRICES:
4. http://mfpseals.com
5. http://www.oringsusa.com
6. http://www.onlineorings.com

WORST PRICES:
7. http://www.inyopools.com
8. http://www.hottubworks.com