You will receive 4 boxes that are sealed in manufacturer black plastic. This 12 pack coach CF5 Refrigerator Water Filter is the perfect addition to your kitchen appliances. It is specially designed for Frigidaire with a compatible model CF5. The filter is made of high-quality plastic material and has one-stage filtration method using carbon/charcoal for contaminant removal such as chlorine taste and odor. This filter is suitable for both commercial and household use with a capacity of 5 liters. With a number of filtration stages of one, it comes in a pack of three with a number of packs of three. The coach filter is a reliable brand that delivers superior quality products.