Airline tubing size?

[evil Nick]

can someone tell me the size of aquarium airline tubing OD/ID, I guess mainly ID for fittings.

I want to pick up some rigid airline but can't seem to locate the size of standard tubing. Its not on packages or anywhere concrete on the web.

thanks

is it 3/16" ID?

 

[Brookster123]

Think so. I've been using the 3/16 compression fittings successfully..

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