... 4.small volume,high performance Description of filtersRefrigeration line filter core D-48 Accurate filter installed to oil line behind oil condensor, to ... development of three kinds of filter applied in refrigeration compressor,air intaking filter ,oil filter,gas-oil seperation filter .Wanhe produces have been ... ,Gree,Mc Quay,SANY,Bingshan,Moon. SamplesCertification Refrigeration line filter core D-48