For those toyota vehicle owners with automatic transmission, what ATF brand/specs did you use when you changed your ATF?

I know that the recommended fluid for most AT vehicles is Type-IV, however, do you know of any alternatives? Sa casa lang ba available ang Type-IV na ATF, magkano kaya ito?

Also, how much ATF do I need (liters/quarts) for an 02 Altis?

Thanks!