3M Wireless Weatherproofing Kits WK-99, WK-100, and WK-101 are designed to create a robust weatherproof seal for cable connections, protecting against water, condensation, and general weather conditions. Kit WK-99 is for general use, WK-100 is for general use, and WK-101 is specifically engineered for cold weather applications down to 0°F (-18°C). Each kit includes self-fusing butyl mastic tape and vinyl tapes, providing a flexible and durable solution for a wide range of cable sizes and device configurations. These kits are ideal for industrial environments where reliable weatherproofing is essential.