1,hydraulic oil filter 2,sintered element 3,copper powder 4,good quality 5,competitive price 1,Company profileXinxiang Wanhe Filter Co.,Ltd specialises in ... development of three kinds of filter applied in refrigeration compressor,air intaking filter ,oil filter,gas-oil seperation filter .Wanhe produces have been applied ... diameter:44.5mmfiltration accuracy:10µm3,Details of the product sintered filter