Stainless Steel gears in lower clock and Brass parts in upper clock. Single jet drive mechanism. All the S.S. material grade 07Cr18Ni9 of IS:6603-1972 and Brass parts material as per IS:531 and IS:410. All other parts ,are of Plastic (ABS/HIPS). Meters available in 15mm size Class A & Class B. Water consumption indicating by pointers. Meter Accuracy ±5 % in minimum flow and ±2 % upto maximum flow.