MAGNESOL® Pitco Filter Envelopes are 18.5" x 20.5" in size with a 1.375" hole. These pads reduce impurities and extend the life of your cooking oil, resulting in better tasting and healthier food. These filter envelopes are essential for maintaining the quality of fried foods and reducing oil waste in commercial kitchens. MAGNESOL® doubles the life of your fry oil and saves 50% of cooking oil costs.