“1221-24-W/M U-tube manometer, range 12-0-12″ w.c., 13.4 oz (379.7 g) mercury required to fill *Non-Cancelable and Non-Returnable*” has been added to your cart. View cart
475-1-FM-AV Air velocity kit, range 0-20.00″ w.c *Non-Cancelable and Non-Returnable* - 475-1-FM-AV