The Nu-Calgon 4296-51 Black Pan Spray Leak Sealer is a durable coating solution designed for use in HVAC condensate drain pans and related components. It effectively seals small leaks, cracks, and corrosion damage, creating a waterproof and corrosion-resistant barrier. This spray extends the life of condensate pans, preventing water damage and system inefficiency. Easy to apply and fa... https://www.partshnc.com/nu-calgon-4296-51-black-pan-spray-leak-sealer