"This sturdy and rugged water and airtight case is ideal for exceptionally humid or rugged conditions. This customisable case is essential for all marine and outdoor applications. Rated to IP67 this case can also be equipped with the Desiccant reusable Silica Gel to remove any moisture that may be present in the atmosphere after opening the case. Fits all HeartSine Defibrillators (PAD-500P, PAD-350P, PAD-360P). This product is not a substitute for direct medical attention from a healthcare practitioner. Always read the label and follow the directions for use."