Optical refractometer antifreeze, battery, window washer

Refractometer to measure alcohol LED

Antifreeze coolant up to -35 ° C in alu refrigerator

Antifreeze coolant concentrate to Alu refrigerator up to -35 ° C

Antifreeze coolant ready up to -35 ° C ALU12+

Antifreeze coolant concentrate up to -72 ° C to alu refrigerator

Antifreeze coolant concentrate up to -38 ° C ALU12+

Antifreeze coolant ready up to -35 ° C in alu refrigerator

Digital refractometer