This adapter allows connection of a 3/8″ standard regulator hose into a 1/2″ regulator first stage low pressure port Reviews There are no reviews yet. Be the first to review “1/2 Male x 3/8 Female Adapter” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.