Check the listing for details. Bluonics 4-pack String-wound Yarn Sediment & Carbon Block Water Filters (5 Micro. Condition: New. Listed at 97.00 USD. Pure Water Clean Air in Every House Give us a call Send us a message Our Store Seller Profile Feedback Save this seller Contact Bluonics 4-pack String-wound Yarn Sediment & Carbon Block Water Filters (5 Micro Description Standard Size 4.5”x 20” Sediment Filter (20 microns) It is the first filter of your water filtration unit. Sediment filters are used to remove particles such as sand, dirt, silt, and rust. To remove these particles allows better performance for the following Carbon Block filter. Standard Size 4.5”x 20” (5 Micron) Block Activated Carbon Filters – Block Carbon Filters are similar in their performance to that of granulated GAC filters, being made of fine coconut shell charcoal carbon tightly compressed forming a cylinder block. Solid-block activated charcoal is superior at adsorption because all the water molecules are forced to travel through the compressed charcoal. Also since it is made of packed carbon it helps to trap suspended particles and dirt. Package of 4 Big Blue ( 2 Carbon Block & 2 Sediment PS yarn ) Filters for a Standard Size 20" Big Blue Housing. These can used for residential and commercial applications 2 Sediment PS yarn (20 Micron) 2 Carbon Block (5 Micron) Excellent to remove Sediment, Chlorine, Odors and many other chemicals and contaminants. Effectively eliminates many impurities from tap water to offer sparkling clean and great tasting water throughout your whole house. Replacement filter for eBay item: 099461797710 and 099461797697 Payment Shipping Give us a call Send us a message