Febreze NOTICEables alternates between two scents for 30 days* of long lasting freshness. We guarantee it! Try Febreze NOTICEables in your home. If you don’t experience noticeable freshness for all 30 days*, we’ll refund your purchase price up to $7.99 - go here. This is a money-back guarantee, not exactly a rebate... But if you tried it and it didn't live up to your expectations, you can get a refund!