... ,20,30 inch accuracy:1,5,10... as follows.... PP Cotton Filter Cartridge 1 Overview:This product as non-toxic and tasteless ... material,after melting,injection,traction and receiving to formate tubular filter module. it has great flow,high accuracy,strong corrosion resistance ... under 0.15kgt/ cm2 pressure drop and 10 inch long filter module (b) Original accuracy filtering efficiency is 96%(c) Maximum ...