







🌊 Product Overview
The LiquaGen 2.5” x 10” Birm / KDF85 Filter Cartridge is a refillable cartridge designed to reduce iron, manganese, and hydrogen sulfide (rotten egg smell) from your water supply. Using a powerful combination of Birm media and KDF85 granules, this cartridge delivers effective contaminant removal while protecting your plumbing, fixtures, and appliances from staining, odors, and buildup.
Perfect for standard 10” slim housings, this cartridge is ideal for reverse osmosis pre-filtration, under-sink systems, and small whole-house setups in homes with low to moderate iron or sulfur levels (<5 ppm).
✨ Key Benefits & Features
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🛡️ Iron & Manganese Reduction – Eliminates metallic taste, staining, and discoloration.
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💧 Rotten Egg Odor Control – Removes hydrogen sulfide odors for fresher water.
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🌱 Dual Media Filtration – Birm enhances iron/manganese removal, while KDF85 targets sulfur, scale, and bacteria.
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🔧 Universal Slim Fit – Fits all standard 2.5” x 10” filter housings.
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♻️ No Backwashing Required – Easy drop-in replacement, no regeneration needed.
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🦠 Bacteriostatic Properties – KDF85 helps inhibit bacteria and algae growth inside the cartridge.
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⏱️ Service Life – Delivers up to 2,000–3,000 gallons depending on water quality.
📋 Technical Specifications
Parameter | Details |
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Model | LiquaGen 2.5” x 10” Birm / KDF85 Filter Cartridge |
Size | 2.5” x 10” (Slim Cartridge) |
Media Type | Birm + KDF85 |
Primary Functions | Reduces iron, manganese, and hydrogen sulfide |
Capacity | ~2,000–3,000 gallons (varies by water quality) |
Recommended Lifespan | 6 months (residential use) |
Max Flow Rate | 0.5–1.0 GPM |
Max Pressure | 90 PSI (6.2 bar) |
Operating Temp. | 40–100°F (4.4–37°C) |
Required pH Range | 6.5 – 8.5 |
Recommended DO Level | Iron level (ppm) × 0.6 |
Max Iron Level | ≤ 5 ppm |
Housing Compatibility | Fits all standard 2.5" x 10” slim housings |
🏠 Applications
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🚰 Drinking Water Systems – Reduces metallic taste and odor for cleaner tap water.
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🧊 Reverse Osmosis Pre-Filtration – Protects RO membranes from fouling by iron and sulfur.
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🏠 Small Whole-House Systems – Provides cleaner water for sinks, showers, and appliances.
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🌾 Well Water Filtration – Effective in rural areas with low to moderate iron or H₂S issues.
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🛁 Fixture & Appliance Protection – Prevents staining of plumbing, laundry, tubs, and showers.
💙 Why Choose LiquaGen?
The LiquaGen 2.5” x 10” Birm / KDF85 Filter Cartridge combines dual-media protection to target iron, manganese, and hydrogen sulfide at the source. Compact, refillable, and easy to install, it’s the ideal choice for homeowners who want fresher, clearer, and odor-free water in a slimline cartridge.