About this item 2. 5X9-3/4" Modified Carbon Block 5 Micron 2. 5X9-3/4" Modified Carbon Block 5 Micron 2. 5X9-3/4" Modified Carbon Block 5 Micron From The Brand Name: Material: Carbon Product Dimensions: 2. 5"D x 2. 5"W x 9"H External Testing Certification: FDA Product Benefits: Provides double the chlorine taste & odor reduction and high sediment removal with a long-lasting carbon block filter. See more Brand: