This is 3 packs, each pack contains 2 filters.

Now for AI's description.

The EcoFilter from ZeroWater offers a set of 4 replacement filters designed for use with the EcoFilter Pitcher ZP-010ECO. These filters are compatible with the 10-Cup Pitcher model and are specifically made to provide clean and fresh-tasting water. With a focus on water purification, these filters help remove impurities and contaminants, ensuring that you have access to high-quality drinking water. Ideal for maintaining the performance of your EcoFilter Pitcher, these replacement filters are a convenient and reliable choice for water filtration needs.