Enables the energy-independent facilitated diffusion of a solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules. [ https://www.worldcat.org/search?q=bn%3A0815340729 GOC:mtg_transport ]

Synonyms: channel/pore class transporter activity nonselective channel activity

This is just here as a test because I lose it