Eisco⏳Test TubesTest Tube Brush, Nylon, 9" Total Length, 3.5" Brush Length, 1 1/8" (29mm) Diameter - Eisco Labs$77.99View
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Testo⏳Test TubesTesto 0635 2145 Stainless steel pitot tube for measuring flow velocity , 7mm Diameter x 350mm Length$446.99View
