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testo 550 I Digital Manifold Kit for air conditioning, refrigeration systems and heat pumps - with Bluetooth support: Amazon.com: Industrial & Scientific
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0564-5505-01 - Testo 0564-5505-01 - 550S Kit, 2-Valve Smart Digital Manifold w/ 2 Wireless Pipe Clamp Temp. Probes, Wireless Vacuum Probe & 3 Hoses
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