GMI Zarhak Moulders Pvt. Ltd. Offers Horizontal Type Water Tank. GMI Zarhak Moulders Pvt. Ltd. Is an ISO 9001:2000 registered organisation. The Horizontal Type Water Tank is made of linear low-density polyethylene [LLDPE] material. The size of the water tank is 1020 X 800 X 900 mm dimension. The capacity of the horizontal water tank is 500 litres. The tank is suitable on terraces as the low height ensure it is not seen from road or spoil the aesthetics of the bungalows.