I HAVE OLD (NOT SURE 0F AGE SINCE THEY WERE THERE WHEN I BOUGHT THE HOUSE IN 1988) ANDERSEN WONDOWS WITH A NUMBER OF 76/0 IN THE LOWER CORNERS. I NEED SCREENS FOR 6 OF THEM. THE OLD SCREENS MEASURE 47" X 32". ALSO, THEY HAVE A LITTLE LEVER AT THE BOTTOM THAT PULLS OUT SO YOU CAN TAKE THE SCREEN OUT OF THE WINDOW. WHERE CAN I FIND THEM AND WHAT IS THE COST? PLEASE ANSWER AT astonpd@hotmail.com.