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Amazon.com: TABODD 3" Sanitary Sight Glass In-Line Sight Glass with Clamp End, Stainless Steel Flow Sanitary Straight Sight Glass Tri-clamp(3Inch ID:85MM, OD:91MM) : Industrial & Scientific
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Stampede Stills Stainless 3" Sight Glass with viewing LIGHT and tri-clamp ferrule attachment. Stampede Stills
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