Known for being the best thread sealant to use for air suspension components, Loctite 565 Anaerobic Thread Sealant is available through AccuAir to allow you to add to your order to get your system installed correctly. This thread sealant should be used to seal all NPT style fittings on your system to ensure you have a leak-free install. This PST pipe sealant has controlled strength, is made for metal fittings, and it lubricates with PTFE. This .20 fl. oz. bottle will be enough to get all of your air system fittings sealed up.