Turbidity Tube Replacement Stopper with Secchi Disc - Fits Eisco Turbidity Tubes

• Replacement Stopper with Secchi Disc fits all 2" diameter Eisco Turbidity Tubes in the part number series PH1120148
• Screw post threads through both the secchi disc and heavy rubber stopper to secure them together
• Secchi disc with alternativing black & white quadrant pattern made from durable, water-resistant plastic
• Stopper top measures 48mm in diameter and secchi disc attached to bottom measures 42mm in diameter. Overall length including knob is 80mm (3.1")

Replacement Stopper with Secchi Disc for Eisco Turbidity Tubes with a 2" diameter. A plastic secchi disc with alternating black/white quadrants is attached to a heavy rubber stopper. A screw post threads through both the secchi disc and stopper to secure them together. Rubber stopper top diameter: 48mm; secchi disc diameter: 42mm; overall length including knob: 80mm (3.1").