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Water Filter & Media Replacements

Clean water depends on timely filter changes. Water Filter & Media Replacements product options make it simple to stay on schedule without the stress of manual reordering. Automatic delivery keeps your system performing as designed while helping reduce buildup from sediment, chlorine, and other common contaminants. Every shipment arrives when you need it, so there is no interruption to your water supply. Pure water becomes part of your routine with zero hassle.

About Water Filter & Media Replacement Products

Our collection includes sediment cartridges, carbon block filters, reverse osmosis sets, and specialty media for whole-house and drinking water systems. Popular options fit standard sizes such as 2.5 by 10-inch and 4.5 by 20-inch housings. Replacement sets are available for multi-stage systems, including combinations that target rust, heavy metals, and chemical impurities. Genuine OEM and compatible alternatives allow flexibility without sacrificing performance. Each product listing includes compatibility details to simplify selection.

Subscription management is straightforward and flexible. Customers can adjust delivery frequency, update products, or pause shipments at any time. AutoShip offers savings on every order and an added discount on the first subscription purchase. This approach removes guesswork and supports steady filtration results.

Why Choose iFilters for Replacement Filter Products?

iFilters focuses on broad compatibility, dependable construction, and convenient service. In stock inventory supports fast fulfillment, and many products feature verified customer reviews. Subscription savings reward long-term maintenance habits while helping control costs. Clear product descriptions reduce confusion during ordering. Dedicated support is available to assist with selection questions.

Shop Water Filter & Media Replacement products online today!

Original price $182.00 - Original price $182.00
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$182.00
$182.00 - $182.00
Current price $182.00

The HydroScientific HSC-170-50 is a Certified Jumbo filter for HBCJ/SC Housings. Microns: 50 Max Flow Rate: 150 GPM Max Temp.: 140 Degrees F Si...

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Original price $182.00 - Original price $182.00
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$182.00
$182.00 - $182.00
Current price $182.00
Original price $27.99 - Original price $27.99
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$27.99
$27.99 - $27.99
Current price $27.99

The iFilters KDF05-10 is a 2.5" x 10" KDF replacement filter with 0.5 lbs of KDF media. For use in many water filter systems, especially point of u...

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Original price $27.99 - Original price $27.99
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$27.99
$27.99 - $27.99
Current price $27.99
Original price $129.99 - Original price $129.99
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$129.99
$129.99 - $129.99
Current price $129.99

KDF85-10B 4.5" x 10" Coconut GAC + KDF85 Big Blue size cartridge. For Well Water or City Whole House filtration as well as Commercial use. This fil...

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Original price $129.99 - Original price $129.99
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$129.99
$129.99 - $129.99
Current price $129.99
Original price $89.99 - Original price $89.99
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$89.99
$89.99 - $89.99
Current price $89.99

KDF85-20B 4.5" x 20" Coconut GAC + KDF85 Big Blue size cartridge. For Well Water or City Whole House filtration as well as Commercial use. This fil...

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Original price $89.99 - Original price $89.99
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$89.99
$89.99 - $89.99
Current price $89.99
Original price $1,322.57 - Original price $1,322.57
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$1,322.57
$1,322.57 - $1,322.57
Current price $1,322.57

The HydroScientific HSC-170-LT2 is a Certified LT2 Series Jumbo filter for HBCJ/SC Housings. Microns: 1 Absolute, Max Flow Rate: 100 GPM, Max Temp....

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Original price $1,322.57 - Original price $1,322.57
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$1,322.57
$1,322.57 - $1,322.57
Current price $1,322.57
Original price $24.49 - Original price $24.49
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$24.49
$24.49 - $24.49
Current price $24.49

OmniFilter ROR2000 RO Pre-Filter Cartridges reduce rust, sediment, and the taste and odor of Chlorine, leaving you with water that is as healthy as...

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Original price $24.49 - Original price $24.49
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Current price $24.49
Original price $17.58 - Original price $17.58
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$17.58
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Current price $17.58

The Omnifilter ROR2050 Replacement Filter Pack comes with an RS14 style inline filter cartridge. This Omnifilter replacement reverse osmosis kit in...

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Original price $17.58 - Original price $17.58
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$17.58
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Current price $17.58
Original price $10.77 - Original price $10.77
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$10.77
$10.77 - $10.77
Current price $10.77

The Pentek 10" String Wound Big Blue Sediment Filter Cartridge is a fibrillated polypropylene string wound water filter used for whole house filtra...

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Original price $10.77 - Original price $10.77
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$10.77
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Current price $10.77
Original price $88.20 - Original price $88.20
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$88.20
$88.20 - $88.20
Current price $88.20

The Pentek CRFC20-BB Radial Flow Carbon Filter is ideal for chloramine taste & odor reduction in POE (Point-of-Entry) and other high-flow rate ...

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Original price $88.20 - Original price $88.20
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$88.20
$88.20 - $88.20
Current price $88.20
Original price $24.49 - Original price $24.49
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$24.49
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Current price $24.49

The Pentek GD-5010-20BB 20" Big Blue Filter Cartridge has two unique layers that holds up to 3 times more dirt than pleated, string-wound and stand...

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Original price $24.49 - Original price $24.49
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Current price $24.49
Original price $9.79 - Original price $9.79
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$9.79
$9.79 - $9.79
Current price $9.79

The Pentek 555465-43 is a 100% spun polypropylene filter for your 10" housing. Also known as the Pentek GD-7520-BB, this filter measures 10" in len...

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Original price $9.79 - Original price $9.79
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$9.79
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Current price $9.79
Original price $33.48 - Original price $33.48
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$33.48
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Current price $33.48

The Pentek GDA-7505-20BB 20" Big Blue Filter Cartridge is part of the GDA series made with a 100% polypropylene filter media that resists chemicals...

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Original price $33.48 - Original price $33.48
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$33.48
$33.48 - $33.48
Current price $33.48
Original price $9.46 - Original price $9.46
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$9.46
$9.46 - $9.46
Current price $9.46

The Pentek P1-30 30" 1 Micron Polypropylene Filter is a replacement drinking water filter cartridge manufactured from pure 100% polypropylene that ...

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Original price $9.46 - Original price $9.46
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$9.46
$9.46 - $9.46
Current price $9.46
Original price $17.64 - Original price $17.64
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$17.64
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Current price $17.64

The Pentek RFC-93 Radial Flow GAC Filter Cartridge offers sediment filtration and reduces carbon fines found in filtered water. This Granular Activ...

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Original price $17.64 - Original price $17.64
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$17.64
$17.64 - $17.64
Current price $17.64
Original price $27.94 - Original price $27.94
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$27.94
$27.94 - $27.94
Current price $27.94

The Hydronix SPC-45-2001 4.5" x 20" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pl...

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Original price $27.94 - Original price $27.94
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$27.94
$27.94 - $27.94
Current price $27.94
Original price $23.75 - Original price $23.75
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$23.75
$23.75 - $23.75
Current price $23.75

The Hydronix SPC-45-2010 4.5" x 20" 10 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $23.75 - Original price $23.75
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$23.75
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Current price $23.75
Original price $25.00 - Original price $25.00
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$25.00
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Current price $25.00

The Hydronix SPC-45-2020 4.5" x 20" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $25.00 - Original price $25.00
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$25.00
$25.00 - $25.00
Current price $25.00
Original price $23.75 - Original price $23.75
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$23.75
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Current price $23.75

The Hydronix SPC-45-2030 4.5" x 20" 30 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $23.75 - Original price $23.75
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$23.75
$23.75 - $23.75
Current price $23.75
Original price $24.90 - Original price $24.90
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$24.90
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Current price $24.90

The Hydronix SPC-45-2005 4.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pl...

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Original price $24.90 - Original price $24.90
Original price
$24.90
$24.90 - $24.90
Current price $24.90
Original price $23.75 - Original price $23.75
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$23.75
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Current price $23.75

The Hydronix SPC-45-2050 4.5" x 20" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $23.75 - Original price $23.75
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$23.75
$23.75 - $23.75
Current price $23.75
Original price $189.77 - Original price $189.77
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$189.77
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Current price $189.77

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene. HydroScientific A...

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Original price $189.77 - Original price $189.77
Original price
$189.77
$189.77 - $189.77
Current price $189.77
Original price $74.25 - Original price $74.25
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$74.25
$74.25 - $74.25
Current price $74.25

This item ships in 45 days. HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Poly...

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Original price $74.25 - Original price $74.25
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$74.25
$74.25 - $74.25
Current price $74.25
Original price $180.73 - Original price $180.73
Original price
$180.73
$180.73 - $180.73
Current price $180.73

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene HydroScientific AR...

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Original price $180.73 - Original price $180.73
Original price
$180.73
$180.73 - $180.73
Current price $180.73
Original price $274.30 - Original price $274.30
Original price
$274.30
$274.30 - $274.30
Current price $274.30

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene. HydroScientific A...

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Original price $274.30 - Original price $274.30
Original price
$274.30
$274.30 - $274.30
Current price $274.30
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