Properly and easily dispose of cooking grease, preventing costly plumbing repairs with Range Kleen's Trap The Grease: Fat Trapper Replacement Bags. Pour cooking grease into the bag (temperature safe up to 200 degree F) and lock the tabs closed. When the bag, which holds 22 ounces is full, lock the tabs and discard. These handy bags can be used with our without Range Kleen's optional Fat Trapper container. Perfect for kitchens, RV's, cabins and more.