supply of preset air filter and regulator 1/4 at 3 bar pressure with bracket and fasteners designed for pressurised flushing system as per mdts 19027. rev.01. make: spac item code spac.0018577 or equivalent make functionally compatible in pressurised flushing system of indian railway coaches .preset air filter and regulator 1/4 at 3 bar pressure with bracket and fasteners designed for pressurised flushing system as per mdts 19027. rev.01. make: spac item code spac.0018577 or equivalent make functionally compatible in pressurised flushing system of indian railway coaches .,preset air filter and regulator 1/4 at 3 bar pressure with bracket and fastener s designed for pressurised flushing system as per mdts 19027. rev.01. make: spac item code s pac.0018577 or equivalent make functionally compatible in pressurised flushing system of i ndian railway coaches . [ warranty period: 30 months after the date of delivery ] ]