DPF ALTERNATIVES : A CLEANER TOMORROW Your vehicle’s Diesel Particulate Filter helps safeguard the environment, and our proprietary Ultrasonic DPF cleaning process safeguards your wallet. Our ultrasonic DPF Cleaning Service is the only proven method for thoroughly cleaning every cell in the DPF to like new condition. DPF Alternatives’ cleaning system reduces costs by extending the useful life of your filters. We’re so confident in our technology, we offer our customers a no-hassle, industry leading, one year performance guarantee.