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Big Blu Subzero Micro Leak Detector 1 Gal

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Free shipping on orders over $29.99

$54.26

$ 23 .99 $23.99

In Stock

About this item

  • Suitable for use with all gases to detect leaks on any pressurized system
  • Commonly used in HVAC, plumbing, telecom, aerospace, gas utilities, service industries and MVAC
  • Freeze Resistant
  • NSF certified for use around food
  • Detects Micro Leaks down to 0.79 oz/year


Big Blu SubZero is the most durable product of its kind for leak detecting under extreme cold conditions. The temperature rating is down to -30°F. Bubbles will keep forming where other low temp products give out, freeze or become gelatinous.