Guaranteed fitment Replace whenever air conditioning system is serviced or compressor is replaced Desiccant removes harmful moisture from refrigerant and helps prevent expansion valve from clogging with ice Collects harmful metal debris from initial compressor break-in and long-term wear Ensures liquid refrigerant to evaporator for quiet and consistent cooling Manufactured using high-quality materials for reliable leak-free service 24-Month / Unlimited Mileage Warranty