<b>THE FOLLOWING 4-PACK 20'' BB FILTERS SET INCLUDES:</b><br><br><b>2 OF 5 MICRON 20'' BB CARBON BLOCK CTO WATER FILTER CARTRIDGE BY AQUABOON</b><br><b>Activated carbon block</b> is a blend of fine activated carbon, water, and a suitable binder that is mixed and molded then hardened or extruded to a cartridge filter of any size and shape. Carbon block is made of fine coconut shell removing chlorine, odors and tastes of many organic and chemical compounds, at the same time it offers a much finer filtration of suspended particles and dirt.<br><br><b>Features:</b><br> Class 1 Chlorine, Taste & Odor Reduction<br> Made with Premium Quality Coconut Shell Activated Carbon<br> 5 Mic Filtration<br> No Release of Carbon Fines<br> Fits all Standard 20" BB/Full Flow Filter Housings<br> Dimensions: 20” x 4.5”<br> 20,000 Gal Capacity<br> Flow rate: 6 GPM<br> Max. Operating Pressure: 90 PSI<br> Operating Temperature: 39°F~125°F<br> Lifetime: Replace once or twice times a year<br><br><b>2 OF 5 MICRON 20'' BB SEDIMENT PP WATER FILTER CARTRIDGES BY AQUABOON</b><br>Sediment filter is made of fine melted polypropylene, which is blown and spun in a cylinder-like form. The main function of sediment filter is to remove large and fine particles from a drinking water, such as sand, dirt, silt, and rust particles. These filters have graded density layers, meaning the outer layers are more porous, catching larger particles, while the inner layers are a finer micron catching smaller particles. Each cartridge is individually shrink-wrapped.<br><br><b>Features:</b> <br> Micron rating: 5 Mic<br> Dimensions: 20” x 4.5”<br> Lifetime: Replace two or three times a year, depending on the water quality<br> Individually shrink wrapped<br> Flow rate: 5 GPM<br> Filter life: 20,000 gal<br> Operating Temperature: 39°F~125°F (4°C~52°C)<br> Max. Operating Pressure: 90 PSI<br> Removes dust, particles, and rust<br> Good for water filters and aquariums