Koch Membrane Systems Inc. offers TARGA-10 Ultrafiltra-tion cartridges for industrial water treatment applications. TARGA-10 Hollow Fiber cartridges have a 10-inch diameter. They feature true ultrafiltration membranes and are designed to remove particulates, colloids and larger molecular weight components. TARGA-10 cartridges function as a suitable pretreatment step for spiral RO membranes. They have demonstrated the ability to reduce turbidity to less than 0.1 NTU and SDI to between 1.0 and 3.0. Koch Membrane Systems Inc., Card No. 253