What is the flowrate?

The flow rate is determined by your housing port size and water pressure, but it can handle up to 10 GPM on a 1-inch port system. We recommend keeping it at a slower flow rate to allow enough contact time with your water as it will provide better filtration. Hope this helps.

I don’t have horrible iron problems but it definitely took the iron out.

Is this a refillable cartridge?

Yes, this filter is but the other filter is washable, so you only replace this one!

What is the filter lifespan in gallons , not time?

The filter lifespan in gallons can vary based on the water conditions.

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iFilters 25 Micron 4.5 x 10 GAC/KDF Water Filter, Fits Big Blue Housings

Product ID: 75405729

Details

External Testing Certification
NSF
Item Weight
3 Pounds
Material
Granular
Product Benefits
Removes and &
Product Dimensions
2.5"D x 2.5"W

💧25 micron filtration precision

⚙️Fits standard 4.5" x 10" Big Blue housings

🛡️NSF certified safety & quality

€ 168.10

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Description

💧 Elevate Every Drop: Filter Smarter, Live Better

EXTENDED FILTER LIFE - KDF55 media not only purifies but also prolongs carbon effectiveness, cutting replacement frequency and hassle.
CERTIFIED PEACE OF MIND - Crafted with NSF-certified coconut shell carbon and backed by lifetime USA-based tech support for worry-free filtration.
UNIVERSAL COMPATIBILITY - Seamlessly fits all standard 4.5" x 10" Big Blue housings including top brands like GE, Culligan, and Pentek.
RELIABLE SEDIMENT DEFENSE - 25 micron rating traps rust, sand, silt, and dirt before they reach your pipes and appliances—protecting your investment.
WHOLE HOUSE CLARITY BOOST - Advanced GAC/KDF55 media blend slashes chlorine, VOCs, and heavy metals for crisp, clean water throughout your home.

The iFilters KDF1-4510 is a premium 25 micron whole house water filter cartridge combining granular activated carbon and KDF55 media to reduce chlorine, VOCs, heavy metals, sediment, and odors. Designed to fit standard 4.5" x 10" Big Blue housings, it ensures cleaner, better-tasting water throughout your home with NSF-certified materials and a recommended replacement cycle of 6-12 months. Ideal for city and well water, it offers dependable filtration performance backed by lifetime technical support.

Specifications

ASIN	B079NK6WY1
Best Sellers Rank	#196,254 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #387 in Replacement Pitcher Water Filters
Brand	iFilters
Brand Name	iFilters
Compatible Water Purifier Models	iFilters MWH-D-WELL
Customer Reviews	4.7 out of 5 stars 140 Reviews
External Testing Certification	NSF
Included Components	Filter
Item Dimensions D x W x H	2.5"D x 2.5"W x 10"H
Item Highlight	KDF1-4510 \| NSF Certified Materials \| GAC/KDF55 Media \| Reduces CTO, VOCs, Heavy Metals & Sediment
Item Type Name	Filter
Item Weight	3 pounds
Manufacturer	iFilters
Manufacturer Part Number	FBA-KDF1-4510
Material	Granular Activated Carbon
Material Type	Granular Activated Carbon
Model Number	KDF1-4510
Number of Items	1
Number of Packs	1
Product Benefits	Removes contaminants and improves taste with GAC & KDF filtration media
Product Dimensions	2.5"D x 2.5"W x 10"H
Set Name	iFilters Whole House Water System
UPC	645696280017
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 168.10

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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