Package is open- you are buying 1 filter.

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The HDX FMM-1 Refrigerator Water Filter Replacement is specifically designed to fit Whirlpool and Maytag refrigerators, with a model number of FMM-2. This white water filter comes in a pack of 1 and is a reliable option for keeping your drinking water clean and fresh. Its compatibility with popular refrigerator brands ensures that you can easily replace your old filter with a high-quality HDX product.