supply of roof mounted ac package unit (rmpu) for lhb eog ac coaches in coach sets consisting of rmpu (with r-407c refrigerant)-02 nos. and microprocessor controller unit -1 no., with supply of bellows set consisting of 01 no. supply air bellow, 02 nos fresh air bellows & 02 nos. return air bellows ducts made of meta aramid/ para- aramid fabric with silicon rubber coating on both sides to spec. no. rdso/pe/spec/ac/0197-2020 (rev-0), rmpu as per specification no rdso/pe/spec/ac/0061-2005, rev-1, type-i & microprocessor controller unit to rdso/pe/spec/ac/0139-2009, rev-1, complete with accessories, as per scope of supply as in the rdso specification.roof mounted ac package unit (rmpu) for lhb eog ac coaches in coach sets consisting of rmpu (with r-407c refrigerant)-02 nos. and microprocessor controller unit -1 no., with supply of bellows set consisting of 01 no. supply air bellow, 02 nos fresh air bellows & 02 nos. return air bellows ducts made of meta aramid/ para- aramid fabric with silicon rubber coating on both sides to spec. no. rdso/pe/spec/ac/0197-2020 (rev-0), rmpu as per specification no rdso/pe/spec/ac/0061-2005, rev-1, type-i & microprocessor controller unit to rdso/pe/spec/ac/0139-2009, rev-1, complete with accessories, as per scope of supply as in the rdso specification.,roof mounted ac package unit (rmpu) for lhb eog ac coaches in coach sets con sisting of rmpu (with r-407c refrigerant)-02 nos. and microprocessor controller unit -1 no. , with supply of bellows set consisting of 01 no. supply air bellow, 02 nos fresh air bellows & 02 nos. return air bellows ducts made of meta aramid/ para- aramid fabric with silicon ru bber coating on both sides to spec. no. rdso/pe/spec/ac/0197-2020 (rev-0), rmpu as per specifi cation no rdso/pe/spec/ac/0061-2005, rev-1, type-i & microprocessor controller unit to rdso/ pe/spec ac/0139-2009, rev-1, complete with accessories, as per