“1221-M1000-W/M U-tube manometer, range 500-0-500 mm w.c., 18.5 oz (526.6 g) mercury required to fill *Non-Cancelable and Non-Returnable*” has been added to your cart. View cart
477-00T-AV Air velocity kit, 0-4″ w.c. *Non-Cancelable and Non-Returnable* - 477-00T-AV