2.5″ x 20″ Standard Blue Refillable Birm Filter – for Iron and Manganese Reduction | Whole House Water Filter

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Iron, Manganese & Hydrogen Sulfide Reduction Filter

Filter Size & Compatibility

• Standard 4.5″ x 20″ cartridge

• Refillable inline filter: 2.5″ x 20″

• Compatible with most standard 20″ Whole House Water Filtration Systems and Commercial RO units

Contaminant Reduction

• Effectively reduces iron, manganese, and hydrogen sulfide (H₂S) from the water supply

• Best suited for treating low to moderate levels of dissolved iron and hydrogen sulfide (rotten egg/sulfur odor)

Application Guidelines

• Ideal for water sources with:

  • Iron and H₂S levels less than 5 ppm

  • pH between 6.5 and 8.5

  • Presence of dissolved oxygen (recommended: Iron ppm × 0.6)

• Also removes ferric iron via mechanical filtration (though a sediment filter may be more cost-effective for that purpose)

• For optimal performance and longer cartridge life, use with a sediment pre-filter

Expected Filter Life

• Varies based on contaminant levels and daily water usage

• Typical residential usage lifespan: up to 20,000 gallons (approx. 75,500 liters)

Common Water Quality Issues & Likely Causes

• Rusty red or brown stains / metallic taste → Excess iron

• Black staining on fixtures or laundry → Excess manganese

• Rotten egg smell → Hydrogen sulfide (H₂S)

Technical Specifications

• Housing Material: Polypropylene

• Max Flow Rate: 3 GPM (11 LPM)

• Operating Temperature Range: 40–100°F (4.4–37°C)

• Max Operating Pressure: 90 PSI (6.2 bar)

• Recommended pH Range: 6.5–8.5

• Max Iron Level: 5 ppm (mg/L)

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