Synthetic Thermoplastic ( Textile Reinforced ) Hose 20 mm nominal Bore Type- 2 for water purpose to IS: 12585/ 1988 with Amndt. No. 1 of Sept ' 2003. ISI marking on each length of Hose should be as per para 5 of IS: 12585/ 1988 with Amndt. No. 1 of Sept 2003.