supply of preset air filter and regulatorpreset air filter and regulator,preset air filter and regulator 1/4 at 3 bar pressure with bracket and fas teners designed for pressurised flushing system as per mdts 19027. rev.01. make: spac it em code spac.0018577 or equivalent make functionally compatible in pressurised flushi ng system of indian railway coaches fitted with pressurized flushing system of spac ma ke. ( warranty period : upto 30 months from the date of supply) [ 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 ] ]