Check the listing for details. Xantus Products 20-101 Max Seal Direct Inject AC Leak Sealant, 1.5 - 5 Tons. Condition: New. Listed at 39.99 USD. Xantus Products 20-101 Max Seal Direct Inject AC Leak Sealant, 1.5 - 5 TonsOur sealant formula has been successfully sealing leaks since the year 2000. With our patent pending direct inject application makes us the easiest and fastest method to install sealants, separating us from other sealants. No need to pump the system down and works with all oils and refrigerants (excluding ammonia). Our sealant travels with the gas, which means we travel faster and seal leaks permanently.Most trusted and proven sealant formula since the year 2000Permanently repairs A/C leaksFast actingOver 2.3 million soldSealant made in USAProven not to clog manifold gaugesProven not to plug TXV, cap tubes or pistonsWorks with all oils and refrigerants (excluding ammonia)