Our 3/4" tubing has an I.D. of .820 and an O.D. of .940.
Any of our fittings listed as 3/4 will work with this tubing.
* Operating pressure: up to 60 PSI (4.2 BAR)
* Material: Dow FINGERPRINT™ premium grade, DFDA-7510 NT linear low-density polyethylene resin with a minimum of 2% carbon black