Northland Walk-in cooler and freezer door gaskets keep the cool air in and warm air out. Save money and energy by keeping your Northland walk-in cooler door seals tight. Northland Walk-in freezer door gaskets that are warn, broken or even missing need to be replaced. Can't find what you need? We can custom manufacture your cooler door gasket to your specific needs. E-mail us at [email protected] or give us a call at 844.292.6694.