All the lower clock parts are made of Stainless Steel grade 07Cr18Ni9 of IS:6603-1972 and upper clock made of Brass material as per IS:531 and IS:410. All other parts made of plastic (ABS). Multi jet flow through chamber holes. Meters available in 15mm - 20mm - 25mm sizes. These type of meters are used for domestic connection. Water consumption indication by pointers. Meter accuracy ± 5% in minimum flow and ± 2% upto maximum flow.