New Revised Standard Version
Now standing there were six stone water jars for the Jewish rites of purification, each holding twenty or thirty gallons.

Contemporary English Version
At the feast there were six stone water jars that were used by the people for washing themselves in the way that their religion said they must. Each jar held about 100 liters.

New American Bible
Now there were six stone water jars there for Jewish ceremonial washings, each holding twenty to thirty gallons.

Douay-Rheims Bible
Now there were set there six waterpots of stone, according to the manner of the purifying of the Jews, containing two or three measures apiece.

Now there were set there six waterpots of stone, according to the manner of the purifying of the Jews, containing two or three measures apiece.

after.

John 3:25 And there arose a question between some of John's disciples and the Jews, concerning purification.

Mark 7:2-5 And when they had seen some of his disciples eat bread with common, that is, with unwashed hands, they found fault. . . .

Ephesians 5:26 That he might sanctify it, cleansing it by the laver of water in the word of life:

Hebrews 6:2 Of the doctrine of baptisms and imposition of hands, and of the resurrection of the dead, and of eternal judgment.

Hebrews 9:10,19 And divers washings and justices of the flesh laid on them until the time of correction. . . .

Hebrews 10:22 Let us draw near with a true heart, in fulness of faith, having our hearts sprinkled from an evil conscience and our bodies washed with clean water.