PVC straight couplings are used for PVC pipes, tubing, and hoses, in order to transfer the specific material of the connector.
PVC straight couplings are typically used for low-pressure piping, such as PVC tubing fittings, PVC fittings for low-pressure piping, or PVC straight fitting. They are typically used in hoses, tubing, and tubing fittings, using PVC straight couplings is faster than other types of fittings,