Usage Tips:Dimensions: 25 cm long.Includes 4 x 7" ceramic filters, 4 x rubber washers, 4 x wing nutsContains activated carbon: activated carbon in a ceramic water filter to reduce chlorine, reduce taste and reduce odorMaterial: The main body is made of natural sintered diatomite, has excellent high temperature resistance and high pressure resistance.0.5 micron pore size (human hair is 40-300 microns), cleanable filter elements are designed to remove suspended solids, hydrogen sulfide and leadApplicationThis replacement filter is suitable for most household, travel, lightweight, large countertop and water cooler water filtration systems.It can also be used with household buckets or other water tank faucets to DIY a water filtration system. 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!