The News of the World has teamed up with E.ON - one of the UK's leading energy companies - to offer our readers THREE free energy-saving products to help you cut bills and reduce carbon emissions.

They'll all help you Go Green & Save. This Sunday, we're offering a free E.ON ShowerSave+, which could save you around £40* a year on your bills by regulating and reducing the amount of water you use. It's quick and simple to fit so you could start saving straight away.

To take advantage of this offer just fill in the coupon in this Sunday's print edition of the News of the World and take it to your nearest participating Sainsbury's Supermarket store.