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SealTech 430R For Those Hard To Find RV Leaks

FOR THOSE HARD TO FIND LEAKS: The SEALTECH 43O-R makes ingenious use of a very simple fact: air flowing through an opening covered with a soapy water ("surfactant") solution produces a bubble precisely at the opening. The system draws outside air into the RV via the roof vent, where it is dispersed, creating a positive interior pressure. This pressure difference causes air to flow outward through any outer skin faults. The application of a soapy water solution to suspicious areas of the outer skin results in a very visible bubble exactly over each fault. 

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