Open box/ no box The Pure Blue H20 Water Filter Stage 1 Sediment & Stage 2 Pre-Carbon CTO Sealed is a custom bundle featuring two stages of filtration, designed for both commercial and household use. Made of durable plastic, this white water filter is compatible with Pure Blue H20 models and uses reverse osmosis filtration method to effectively remove sediment and contaminants. With a focus on quality and origin, this product is manufactured in the United States, ensuring a reliable and clean water purification solution for your needs.