filter spares filter spares , supply of items as per following specifications , first stage air filter for siemens make sgt-700 gas turbine.filter details:model-dripak gt60 8 pockets, 25 mm plastic header,mounting arrangement: hopper clips,size: 592x592x650mm,filter class m6,as per en779, aaf part no.- 5500100gt60pg,make: aafseimens ref no. bd000336. , second stage air filter for siemens make sgt 700 gas turbine. filterdetails: model- hydrogt v450grf9, reverse flow,size 592x592x440mm, 20 mm header with pur gasket on air leaving side,filter class: f9, as per en779, aaf part no. bv401b027110r0p makeaaf , seimens ref no. bd000336 (thal), seimens ref no. bd000638(trombay). , third stage air filter for siemens make sgt 700 gas turbine.filter details: model- hydrogt450 ge e12 with easy care clips,size: 592x592x440mm, 23 mm header with pur gasket on air leaving side,filter class: e12 as per en1822, aaf part no. bv015-e2-b.0-1611-0e-00,make aaf, seimens ref no. bd000336 => limited