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3230 Industrial Way, SW | Suite B | Snellville, GA 30039       (800) 474-2490

    Replace YSI Dissolved Oxygen (DO) membranes using the correct factory replacement membranes for the instrument model.

    Contact EON for service advice or assistance.

    Item # Description/Size Availability Qty Break Price Quantity
    Membrane Kit; DO Membrane & Electrolyte for YSI 55
    In Stock 1 $46.00
    Membrane Kit (yellow cap): DO Screw-on for YSI 550A &556 (6 membranes electrolyte)
    In Stock 1 $68.25
    Membrane Kit (blue cap): DO Screw-on for YSI 556. (6 membranes, solution, sanding disk )
    In Stock 1 $65.00
    Membrane Kit (black cap): DO Teflon Membrane Screw-on for YSI 556
    In Stock 1 $65.00