4.5″ x 20″ Big Blue Refillable Well Water Filter – for Iron, Sulfur and Chlorine Reduction | KDF 85 + KDF 55 + Activated Carbon

This 4.5″ x 20″ refillable well water filter cartridge is engineered to significantly improve water quality in your home, particularly for well water or municipal supplies. Here are the key features and benefits:

Filter Composition

• 2 lbs KDF55:

  • Specially designed to reduce chlorine taste and odor.

  • Targets water-soluble heavy metals, scale, and algae.

  • Inhibits bacterial growth in drinking water.

  • NSF/ANSI Standard 42 certified, meeting stringent quality standards.

• 2 lbs KDF85:

  • Effectively reduces iron and hydrogen sulfide (the rotten egg smell).

  • Works over a wider pH range than many standard oxidation filters, protecting plumbing, fixtures, and appliances from staining and odor.

• Granular Activated Coconut Shell Carbon (GAC):

  • Balances the blend to remove organic contaminants, substantially improving water clarity, taste, and odor without adding harmful chemicals.

Compatibility and Use

• Fits Standard 20″ Big Blue Housings:

  • Compatible with all standard 4.5″ x 20″ Big Blue whole house canisters, ensuring easy installation and maintenance.

• Safe for Drinking Water Applications:

  • The combined media formulation ensures that your water is clean and safe, improving both its aesthetic and functional quality.

This advanced filter cartridge is an excellent choice for anyone looking to reduce contaminants such as iron, hydrogen sulfide, chlorine, and heavy metals while extending the life of household plumbing and appliances.