Synthetic Thermoplastic ( Textiles Reinforced ) Hose 25 mm N. B X3. 0 metre plus minus 150 mm long with perforated sleeve at one end having Outer Dia. 39 mm for water side filling arrangement to IS: 12585/ 1988 with Amndt. No. I of Sept. ' 2003, type- 2 and as per N. Rly CME SK. No. 2264 Alt. 6 and ISI Marking on each length of hose should be as per para- 5 of IS: 12585/ 1988 with Amndt. No. l of Sept. ' 2003.