Big Blu is the original micro leak detector known for its long lasting bubbles. This one of a kind elastic liquid easily clings to all surfaces. It is the only bubble leak detector capable of identifying leaks down to 0.65oz/yr. It is safe to use all gases including oxygen. Freeze protected to 32°F, non-corrosive, biodegradable, and NSF approved for use around food.

• Microleaks - Ultra sensitive formula detects leaks down to a rate of 0.65 oz/yr
• Any Gas - Tested safe on all gases including oxygen
• Non-Corrosive - Safe to use on all metal surfaces
• Certified - NSF and Kosher certified, Biodegradable and Eco-Friendly
• Food Safe - Approved for use around food
• OEM - Used by OEM's Worldwide
• Volume: 32 oz.

Sid Harvey Item #:N16-16: Replaces Part #:'s : B81-319,
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Refrigeration Technologies N16-16

RectorSeal AC Leak Freeze Nano Pro 45316 Leak Sealant, 1.46 oz AC Leak Freeze PRO refrigerant leak sealant with new leak seeking nano particles creates a stronger dual sealant and non-reactive technology that fills cracks and imperfections in hvac coils. The highly sophisticated mixture of various shapes and sizes allows them to easily self-organize and actively seek and seal leaks permanently in hvac refrigerant systems. Helping restore functionality and prolonging the life of AC units. Saving homeowners and businesses time and money AC leak freeze nano Pro comes in a disposable cartridge with a convenient low loss fitting valve.,
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RectorSeal 45316