THESE ARE FOUR RARE WEB VENTILATORS MADE FROM BRASS,--THE LARGEST IS SILVERED, WHICH CAN BE POLISHED OFF IF REQUIRED.--- MOUTH SIZE LARGEST APPROX 1.75" NEXT TWO APPROX 1.5" SMALLEST APPROX 1.25".-----POST FREE UK OR CAN COLLECT WEST SUSSEX (07818418766 TO ARRANGE).
