2025-07-10 00:00:00 Sure Purity Ltd is an award-winning manufacturer of the Carboguard CO2 polishing filtration system. Designed to remove harmful impurities from carbon dioxide used by the beverage industry, Carboguard is a 5-stage cartridge-based system with 12 months maintenance intervals. Sure Care app provides our authorised sales and service partners with the tools to monitor end user product registration, maintenance status and service alerts. Monitor stock levels and use report tool for stock replenishment.