ADVANCED ULTRASONIC TECHNOLOGY: This sonic cleaner uses high-frequency 42,000 Hz ultrasonic waves to scrub away stains and plaque while being non-abrasive to your dental appliance. QUICK AND EASY TO USE: Fill the Dental Pod with water, drop in your dental appliance, then activate. Wait for 5 minutes, then retrieve your clear and sparkling clean dental appliance. 30-DAYS RISK-FREE AND HASSLE-FREE WARRANTY: Enjoy a 30 money-back guarantee and a full 12-month warranty. Our team will respond within 24 hours via the Amazon Buyer-Seller Messaging platform. PREMIUM RETAINER CLEANING: Looking for the best cleaner for retainers? Published data and recommendations from dentists from around the world choose the Dental pod ultrasonic cleaner for retainers. ULTRA MODERN DESIGN: Unlike other cleaners, the Dental Pod's sleek, smooth, small and compact design won’t take up counter space while providing a deep clean to appliances of any size. TABLETS: The Dental Pod works very well with just water. However, for tougher stains or longer-term plaque build up, consider using a Zima Dental tablet for enhanced cleaning power. Each box has 6 tablets.