Propane Leak Detector Valterra V02136 Detect-A-Leak; Liquid Spray Used To Pinpoint The Smallest Leaks In Propane Lines; Alerts To Leak With BubblesPropane Leak Detector; Detect A Leak; Liquid Spray Used To Pinpoint The Smallest Leaks In Propane Lines; Alerts To Leak With Bubbles; 1 Gallon Bottle Detects leaks in anything that can be tested with air or gas pressure. Just spray on and look for bubbles. Instantly finds gas and air pressure leaks with a non corrosive formula. Used To: Pinpoint The Smallest Leaks In Propane Lines Type: Liquid Alert Type: Alerts To Leak With Bubbles Unit Size: 1