Description

The CTO Carbon Block Coal Based 20″ Big Blue Filter is designed to provide superior water filtration by reducing chlorine, unpleasant tastes, odours, sediment, and a wide range of organic contaminants. Manufactured from high-quality **coal-based activated carbon**, the solid carbon block construction prevents channeling, increases contact time, and delivers excellent filtration performance. Designed to fit most standard 20″ Big Blue (4.5″) filter housings, this cartridge is ideal for residential, commercial, and industrial water filtration systems where higher flow rates and greater filtration capacity are required.

Features:

• Premium coal-based activated carbon block construction.
• 5-micron nominal filtration.
• Effectively reduces chlorine, unpleasant tastes, and odours.
• Helps reduce volatile organic compounds (VOCs).
• Reduces sediment, dirt, rust, and suspended particles.
• Low pressure drop with high flow performance.
• High dirt-holding capacity for extended filter life.
• Solid carbon block design prevents channeling for maximum filtration efficiency.
• No carbon fines or ash leaching.
• Fits most standard 20″ Big Blue (4.5″) filter housings.

Specifications:

• Filter Size: 20″ Big Blue (4.5″ Diameter)
• Filter Media: Coal-Based Activated Carbon Block (CTO)
• Micron Rating: 5 Micron
• Housing Compatibility: Standard 20″ Big Blue (4.5″) filter housings
• Recommended Replacement: Every 6–12 months, depending on water quality and usage.
• Application: Potable water filtration.

Applications:

• Whole-house water filtration systems.
• Commercial water filtration systems.
• Industrial process water filtration.
• Point-of-Entry (POE) filtration.
• Reverse osmosis pre-filtration.
• Reverse osmosis post-filtration.
• Food and beverage applications.
• Municipal and borehole water treatment.

Installation:

Install the cartridge into a compatible 20″ Big Blue (4.5″) filter housing, ensuring it is correctly seated before tightening the housing. Flush the filter thoroughly before use until the water runs clear. Replace the cartridge every 6 to 12 months, or sooner if water quality or flow rate decreases.

Why Choose the CTO Carbon Block Coal Based 20″ Big Blue Filter?

• Premium coal-based activated carbon for superior contaminant reduction.
• Solid carbon block construction maximises filtration efficiency.
• Effectively reduces chlorine, VOCs, sediment, and unpleasant tastes and odours.
• High flow capacity for residential, commercial, and industrial applications.
• Protects reverse osmosis membranes and downstream filtration equipment.
• Fits most standard 20″ Big Blue (4.5″) filter housings.
• Provides consistently clean, fresh, and better-tasting drinking water with extended service life.