Culligan Intl. Co., Northbrook, IL, is one of the first end users of a new laminated 36-pt solid fiber board substrate used for folding cartons for retail water filters. Forte™ from Westvaco’s Packaging Resources Group (Stamford, CT) comprises 6-pt SBS–which provides a high-quality printing surface–laminated to 30-pt Kraftpak®, an uncoated SUS.