Sterling manufactures purpose-made filters, pressings and filter elements to customers' specifications. Facilities including welding, spot welding, seam welding and press forming.

Other facilities include the high speed cutting of stainless steel or plain discs, together with a variety of shaped screens. These can be supplied as separate components or combined in varying meshes, spot welded together or bound with aluminium, stainless steel rims to form multi-layer screen packs and spinneret filters.