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This is my honest review of the Testo 550s and the Testo 550i manifolds, to be clear I purchased these manifold myself and nobody paid me for anything in this video. Support us by using our offer code HVACRTOOLS @ trutechtools.com or on Patreon - https://www.patreon.com/Hvacrtools and by clicking our affiliate links below Tool Links (affiliate ...
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