... top brand hardware. EPDM Rubber . Window types including casement, crank-out casement, single sliding, double sliding, tilt & turn, single hung, ... double hung, awning, crank-out awning, arch window, pvc louver, glass louver, vertically curved window ... Good waterproof8> Easy to clean9> Corrosion resistance10> Scientific desig white color PVC sliding window with grid