Continue shopping “523540 Flow Switch Pentair ChemCheck Water Testing System” has been added to your cart. Product Price Quantity Total × Pentair Clean & Clear Plus Cartridge Filter Bulkhead Baffle Assembly 190039 $82.01 Pentair Clean & Clear Plus Cartridge Filter Bulkhead Baffle Assembly 190039 quantity $82.01 × 523540 Flow Switch Pentair ChemCheck Water Testing System $46.01 523540 Flow Switch Pentair ChemCheck Water Testing System quantity $46.01 Cart totals Subtotal $128.02 Shipping Shipping costs will be calculated once you have provided your address. Total $128.02 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update