supply of pneumatic rubber hose to withstand air pressure 10 kg/sq.cm, od-21mm, id- 12.5mm and length- 600 mm with both ends swivel nut 1/2 and flat washer and extra ma le and female adoptor 1/2 flat seating with nylon washer to suit at the end of the ho se confirming to sae 100 r1. special note: hoses and end fittings from the same oem onl y accepted. note:- manufacturers should indicate their identification mark, month and year of manuf acture at a suitable location by using a suitable method without affecting the performance of the prod uct. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] => limited