PVC Strip Freezer Curtains remain highly soft even at 50 Celsius below zero, allowing easy passing of people, vehicles and goods and effectively preventing loss of cold air. Polar PVC Strip Freezer Curtains is a good choice for save power because they do not contain electric drive. Polar door curtain do not have action component and do not produce noise during service. Cool strip has been designed from market experience and has been proved in independent tests to up to 50% of energy costs, while helping retail chill cabinets meet statutory temperature controls.