NET

6 He made ten washing basins; he put five on the south side and five on the north side. In them they rinsed the items used for burnt sacrifices; the priests washed in “The Sea.”

Darby

6 And he made ten lavers, and put five on the right and five on the left, to wash in them: they rinsed in them what they prepared for the burnt-offering; and the sea was for the priests to wash in.

KJV

6 He made also ten lavers, and put five on the right hand, and five on the left, to wash in them: such things as they offered for the burnt offering they washed in them; but the sea [was] for the priests to wash in.