Aneros Prostate Health and Awareness Special Edition . Aneros is excited to announce a special edition product and our partnership with ZERO- The end of Prostate Cancer. The Aneros Prelude Enema Bulb Kit is our internal cleansing system. Ideal before an Aneros prostate massager session, the special slow-flow, one-way nozzle of the Aneros Prelude Enema Bulb Kit makes preparation easy and comfortable. When it comes to anal and prostate play, confidence begins with a PRELUDE. Made from medical grade silicone.