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 Gallon• Housing Color: Not Applicable• Length: Not Applicable• Width: Not Applicable Fine Mist Spray Non-Corrosive Formula | Valterra Detect-A-Leak, 1 Gallon Bottle