... Packing in wooden box or in 3.Filter Cylinders performancegas filter , simple technology, good air permeability,even ... good reproducibility , quick recovery rateconvenient installation, high efficient , long working time4.Filter Cylinders materialstainless steel mesh , iron mesh ... ,coppe rmesh ,steel mesh5.Filter Cylinders formWeave mesh, welded mesh, perforated metalCOMPANY ...