The Keurig Water Filter Cartridges in pack of 4 are designed for Keuring brand coffee makers, specifically compatible with Keurig and K-Cup models. These white plastic cartridges have a capacity of 1 qt and are suitable for use in capsule coffee, filter coffee, and pod coffee machines. The lightweight cartridges are easy to handle and have dimensions of 2.76 inches in depth, height, and width. With the Keurig brand guaranteeing quality, these water filter cartridges ensure clean and fresh water for your coffee brewing needs.