Water-Right’s Interflo is a carbon block filter used for treating water and building a business, the company notes. Interflo is IAPMO certified for removing lead, chlorine and cysts for an entry-level solution with the same qualities as higher-end filters. Install it on the cold-water line of any existing faucet or utilize a separate dispensing faucet for optimal flow, Water-Right adds. Water-Right. www.water-rightgroup.com