supply of preset air filter and regulator 1/4 at 03 bar pressure & 5/2 push pull spring return valve , preset air filter and regulator 1/4 at 03 bar pressure with bracket and fastener, pressure indi cator designed of pfs as per mdts 19027 rev. 01, make spac item code spac0018577 or equivalent make functionally compatible with pressurize flushing system of indian railway (material used for pressure regulat ing in eppfs of lhb coaches) make: techno or equivalent. [ warranty period: 30 months after the date of delivery ] ] , 5/2 push pull spring return valve - 1/4 (with mounting brackets, knob, connectors, fasteners) designed for pressurized flushing system fitted in ir coach toilets. make-techno or equivalent. [ warrant y period: 30 months after the date of delivery ] ]