• 6-PACK OF 20'' BIG BLUE CARBON BLOCK CTO WATER FILTER CARTRIDGE - 1 Micron 100% Premium Quality Coconut Shell Activated Carbon
• CARBON BLOCK IS MADE OF FINE COCONUT SHELL CARBON
• Micron rating: 5 Micron
• Dimensions: 19.75 inch. x 4.5 inch.
• Lifetime: Replace two or three times a year

Activated carbon block 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. 

Features: 
• Class 1 Chlorine, Taste & Odor Reduction 
• Made with Premium Quality Coconut Shell Activated Carbon 
• 1 Micron Filtration 
• No Release of Carbon Fines 
• Fits all Standard 20" Big Blue/Full Flow Filter Housings 
• Dimensions: 20" x 4.5" 
• 20,000 Gallon Capacity 
• Flow rate: 6 GPM 
• Max. Operating Pressure: 90 psi 
• Operating Temperature: 39°F~125°F (4°C~52°C) 
• Cartridges are individually shrink wrapped. 
• Lifetime: Replace once or twice times a year, depending on the water quality 
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