Tender For supply of particle filter h -13 , gloves d 220mm 0.4mm 9 , flat gasket d 150 , o ring for screw antechamber , act carbon for lmf 5kg , copper catalyst 4.5kg , molecular sieve 5.4kg , ultra grade19 oil , frequency convertor for blower 2.3a , flowmeter with check valve , service-set for magnetic valve