Measurement is inside diameter. For flow rates up to 120 gph. Connect to a submersible pump within a pond. Black tubing in a pond does not visibly stand out like clear tubing does.
3/8" Inside diameter, 1/2" Outside diameter.
Tubing uses a mechanical fit (slips onto barbed fittings) and is secured with hose clamps.
Questions about the Black Vinyl Tubing - 3/8 inch - 100' Roll?
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