Products and compositions for preventing or reducing the severity of hypertension. The unshielded cable comprises at least one wire pair and the discrete protection device comprises a voltage suppressor device coupled between the wires of each wire pair. 5-35 nm, on the intermediate underlayer using a PIG plasma film formation method. Thereupon, the encoded multimedia display command is generated, such that the multi-media processor can generate the multimedia display output and provide the multimedia display output to the display device. The inner tube member has an open downstream end projecting in the downstream direction beyoud the downstream outer end of the outlet tube member to thereby achieve a reduced pressure loss and a more uniform velocity profile.