2Pack replacement activated carbon block filters designed for OmniFIlter OB1 (Blue Tank) water filter units. These universal 10inch cartridges restore and maintain the filtration performance of your OmniFIlter OB1 system so you continue to get clear, bettertasting water. Key benefits Reliable replacement: Restores the intended filtration performance of the OmniFIlter OB1 Blue Tank unit when cartridges are due for replacement. Costeffective twopack: Two filters in one give you a ready spare for routine maintenance or staggered replacements. Simple fit and use: Universal 10inch size is made to fit OmniFIlter OB1 housings for a direct, hassle swap. What makes it useful Activated carbon block media captures impurities and helps improve water clarity and taste through adsorptionbased filtration. Universal 10inch form factor matches standard OmniFIlter OB1 cartridge dimensions for consistent fit and operation. Pack of two supports regular maintenance schedules and reduces downtime for replacement. Features and specifications Compatibility: Replacement for OmniFIlter OB1 water filter unit, Blue Tank (Model OB1). Size: Universal 10inch cartridge. Media: Activated carbon block. Quantity: 2pack for immediate replacement and backup. Typical use cases Home kitchen: spent cartridges in your OmniFIlter OB1 Blue Tank system to maintain water quality for drinking and cooking. Office or small business: Keep a spare cartridge on hand to ensure continuous filtration without interrupting service. Scheduled maintenance: Use the twopack to perform timely replacements, following the system's recommended maintenance intervals. Installation and care Designed for easy, direct replacement in OmniFIlter OB1 housings. cartridges according to your system's maintenance schedule to maintain consistent filtration performance. Dispose of used cartridges according to local regulations. This 2pack replacement provides the compatible, readytoinstall activated carbon block cartridges needed to keep your OmniFIlter OB1 (Blue Tank) water filter unit operating as intended.