[Higher quality material]:Uses high-grade coconut shell activated carbon block as material, which features better adsorptive ability and better performance with microscopic pores.[Sincere recommendations]: Before use, rinse 4 to 5 gallons of water through the product. Provide cleaner and fresher water by reducing impurities.[Easy to install]: no tools required, just alignment in the right direction.[Service life]: For best filtration results, filter cartridges should be replaced every six months or 200 gallons.Color: WhiteMaterial: Coconut Shell Activated CarbonPackage Contents:2 x wf3cb water filterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!