supply of the procurement of a hydraulic filter, gemac part no. de770017, along with four other items, making a total of five items for the gemac make.the procurement of a hydraulic filter, gemac part no. de770017, along with four other items, making a total of five items for the gemac make.,suction filter big gemac part no ge770017 make-gemac,filltac orhydac or equi valent [ warranty period: 30 months after the date of delivery ] ] , suction filter small gemac part no ge770020. make-gemac,filltac, hydac or its equiv alent [ warranty period: 30 months after the date of delivery ] ] , proportional filter gemac part no 0060d010bn4hc sub dfbn/hc60g10d1.1-l24 [ warran ty period: 30 months after the date of delivery ] ] , return filter gemac part no ge770012 make-gemac. filltac ,hydac or its equivalent [ warranty period: 30 months after the date of delivery ] ] , servo filter dfbn/hc330tf5d1.0/l-24 make-gemac, filltac or hydac or its equival ent. [ warranty period: 30 months after the date of delivery ] ]