pH/ORP Module $360.19 pH Module $245.86 Calibration Cell $120.62 Probe Maintenance Kit $184.03 Carbon Filter Organics and Solvents $250.54 Carbon Filter Acids and Inorganics $382.71 Carbon Filter Formaldehydes $359.98 Carbon Filter Ammonia $425.85 Pipette Sterile 5mL PK500 $126.78 Pipette Sterile 10mL PK500 $134.73 Pipette Sterile 1.1mL PK500 $146.2 Pipette Sterile 2.2mL PK400 $154.06 Pipette Sterile 1.1mL PK250 $74.5 Pipette Sterile 2.2mL PK250 $77.44 Bottle Polystyrene 2000mL PK12 $119.85 Bottle Polystyrene 2000mL PK12 $123.68 Centrifuge Tube 50mL Polypropylene PK300 $103.7 Vent Control Labe PK500 $35.7 Petri Dish 100 x 20mm 15 to 16mL PK300 $81.6 Microscope Slide Pink PK 72 $16.99