New, individual package of each filter. Made of premium coconut shell activated carbon and ionexchange resion which is certified against Nsf/Ansi standard 42. Bpafree material. Reduces chlorine, lead, cadmium,aluminum from the water. No presoaking required, no black flecks. The filters should be replaced every 40 gallons or every two months for best results. Note: this is not the genuine Brita product. If the product show symptoms of operational failure, are defective or are broken (a.k.a. Battery Expert reserves the rights to reject any claims made after 30 days for DOA cases. If the product is assessed to be Doa, buyers will receive a full or partial refund, or a replacement product or parts. Such returned products will become our property and the replacement will be the buyer's property. Battery Expert is not liable for items that have been misused, mishandled or incorrectly installed. Buyers should read the instruction and advise given by manufacturers and suppliers before use.