The website has the letter

The website has the letter ready. After you log in, go the member panel, click send fax link, it will ask you which state you live in, then it will show you all the congressmen/women in that state, you can choose to send to one or all of them. There is a score also for each representative, keep in mind that F is pro-immigration, send the letter to representatives with C, D, and F scores.