O-Rings

[spangley_special]

I'll say it again, you wont get charged anything for important a couple of orings.

 

[Tom]

You're going to have to buy a lot of o-rings to incur import duty or for the exchange rate to make a difference, but you can buy British:

http://www.polymax.co.uk/acatalog/O-Rings_ORings_O_Rings_From_Polymax.html