Sizing/Measuring Loc-Line Hose

All Loc-Line hose systems are measured by the smallest diameter hole through the part.

The smallest hole through the 1/4″ Hose will will be 1/4″ diameter.
The largest outside diameter is approximately 5/8″.
The smallest hole through the 1/2″ Hose will will be 1/2″diameter.
The largest outside diameter is approximately 1″.
The smallest hole through the 3/4″ Hose will will be 3/4″diameter.
The largest outside diameter is approximately 1-1/4″.
The smallest hole through the 2-1/2″ Hose will will be 2-1/2″diameter.
The largest outside diameter is approximately 2-7/8″.