'Cleanness' in the Bible

For if the blood of goats and bulls, and the ashes of a heifer sprinkling them that have been defiled, sanctify unto the cleanness of the flesh:

Corresponding to that [rescue through the flood], baptism [which is an expression of a believer’s new life in Christ] now saves you, not by removing dirt from the body, but by an appeal to God for a good (clear) conscience, [demonstrating what you believe to be yours] through the resurrection of Jesus Christ,