Dear Customer,

We appreciate your interest in our effective and innovative ComStar products.

As of January 1, 2018, The U.S. Environmental Protection Agency (EPA) requires all buyers of refrigerants that contain CFCs, HCFCs or HFCs to be certified technicians.

You will be asked to complete a short form and upload your technician’s certified ID to complete your order in the cart.

Thank you!

Dear Customer,

We appreciate your interest in ComStar's effective and innovative products.

Please note that the item you have placed in your cart is considered a hazardous product and cannot be returned unless the receiver has a hazmat shipping license. Most hazardous materials may not be returned by mail.


Case Quantity: 12
In stock
Stock No.
Fluorescent Yellow, Easy to see, fast action, Leak Detector


ComStar’s Leak Bubbles Yellow is a HVAC and Gas Leak Detector which has set the standard for high quality and fast acting leak detectors in the market today! Leak Bubbles Yellow produces large, consistent bubbles. It leaves a long-lasting coating wherever a leak is detected and its fluorescent yellow color makes the leak easy to see under a fluorescent light. This product detects leaks in natural gas, refrigeration gas, nitrogen, air and C02. Simply spray and watch fast, even bubbles appear. Leak Bubbles Yellow is perfect for all types and sizes of leaks, even the smallest micro leaks. Leak Bubbles Yellow will not freeze and is perfectly formulated for both high and low temperature applications and for all types and sizes of leaks, even micro leaks. Leak Bubbles Yellow is environmentally safe, non-toxic and non-corrosive.
  • Leak Bubbles Yellow is the fastest acting leak detector in today's market
  • Leak Bubbles Yellow is environmentally safe
  • Leak Bubbles Yellow detects leaks in natural gas, refrigeration gas, nitrogen, air and C02
  • Leak Bubbles Yellow will not freeze
  • Leak Bubbles Yellow is safe, non-toxic, non-corrosive
  • Leak Bubbles Yellow creates long-lasting bubbles and detects micro leaks


Buy yours today!

Stock Number 90-204
UPC 024924902042
Unit Volume 1 Quart with Spray
Units per Carton 12
Weight per Item (lbs.) 1.83
Type Spray




12.00 x 3.25 x 3.25




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