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Old 03-02-2017, 08:28 AM   #7
Gelbster
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Join Date: May 2014
Location: S.California
Posts: 2,027
The definitive diagnostic tool is a Pyle digital manometer.Thanks Ahsai.
https://www.pyleaudio.com/sku/PDMM01/Digital-Manometer-with-11-Units-of-Measure
Anyone tried the 1/2 price knock-offs on Fleabay ?
or
https://www.amazon.com/Perfect-Prime-Professional-Manometer-Differential-13-79kPa/dp/B00N3PPZZY/ref=sr_1_3?ie=UTF8&qid=1488476338&sr=8-3&keywords=digital+manometer

Last edited by Gelbster; 03-02-2017 at 08:39 AM.
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