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Best Selling Water Filtration Products

Explore best-selling water filtration products chosen by customers for drinking water, whole-house treatment, replacement filtration, and system maintenance. Compare product type, capacity, dimensions, certifications, and compatibility to find proven options that fit your water quality goals and existing equipment.

Filters

Original price $12.49 - Original price $12.49
Original price
$12.49
$12.49 - $12.49
Current price $12.49

Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...

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Original price $12.49 - Original price $12.49
Original price
$12.49
$12.49 - $12.49
Current price $12.49
Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99

Pro+Aqua Electronic Turbine Flow Meter Complete Kit Fits Fleck 2510, 5600, SE/SXT Water Softener/Filter Control Valves

Original price $89.99 - Original price $89.99
Original price
$89.99
$89.99 - $89.99
Current price $89.99
Original price $36.49 - Original price $36.49
Original price
$36.49
$36.49 - $36.49
Current price $36.49

Polaris Scientific GL32PP Replacement Germicidal Lamp for the UVA-8C Ultraviolet UV System.

Original price $36.49 - Original price $36.49
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$36.49
$36.49 - $36.49
Current price $36.49
Original price $0.95 - Original price $0.95
Original price
$0.95
$0.95 - $0.95
Current price $0.95

Hydronix NP-14 1/4" NPT Male Nipple Connector – Polypropylene, NSF Approved The Hydronix NP-14 is a high-quality 1/4" NPT male nipple connector des...

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Original price $0.95 - Original price $0.95
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$0.95
$0.95 - $0.95
Current price $0.95
Original price $59.95 - Original price $59.95
Original price
$59.95
$59.95 - $59.95
Current price $59.95

Hydronix SMCB-4520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-4520 filters have a particle re...

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Original price $59.95 - Original price $59.95
Original price
$59.95
$59.95 - $59.95
Current price $59.95
Original price $11.00 - Original price $11.00
Original price
$11.00
$11.00 - $11.00
Current price $11.00

Hydronix ICF-10Q38 inline coconut shell carbon filters have 3/8" quick-connect connections, and are suitable for drinking water filtration applicat...

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Original price $11.00 - Original price $11.00
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$11.00
$11.00 - $11.00
Current price $11.00
Original price $69.16 - Original price $69.16
Original price
$69.16
$69.16 - $69.16
Current price $69.16

Hydronix SPC series 4.5" x 10" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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Original price $69.16 - Original price $69.16
Original price
$69.16
$69.16 - $69.16
Current price $69.16
Original price $329.94 - Original price $329.94
Original price
$329.94
$329.94 - $329.94
Current price $329.94

PRO+AQUA WS-P-16-BNDL – Portable RV Water Softener & Filtration System Bundle – 16,000 Grains Premium Portable Water Softener & Filtration ...

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Original price $329.94 - Original price $329.94
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$329.94
$329.94 - $329.94
Current price $329.94
Original price $88.99 - Original price $88.99
Original price
$88.99
$88.99 - $88.99
Current price $88.99

Polaris UVA-1C Whole House UV Ultraviolet Water De-Activating System 1 GPM with 9000 Hour Bulb.

Original price $88.99 - Original price $88.99
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$88.99
$88.99 - $88.99
Current price $88.99
Original price $5.95 - Original price $5.95
Original price
$5.95
$5.95 - $5.95
Current price $5.95

Heavy-Duty Commercial-Grade Bracket. Fits Hydronix HF2, HF3, & HF5 Commercial Housings. Direct Replacement for Flowmatic (Watts) 4200, 4500 and...

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Original price $5.95 - Original price $5.95
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$5.95
$5.95 - $5.95
Current price $5.95
Original price $699.99 - Original price $750.00
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$699.99 - $750.00
$699.99 - $750.00
Current price $699.99

iFilters XWH-1000 Whole House Water Filtration System – 1,000,000 Gallon Capacity with Pre-Filter & GAC/KDF (SP30-4510)

Original price $699.99 - Original price $750.00
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$699.99 - $750.00
$699.99 - $750.00
Current price $699.99
Original price $22.26 - Original price $22.26
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$22.26
$22.26 - $22.26
Current price $22.26

The Hydronix LF-BLR-BN long reach faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLR-BN f...

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Original price $22.26 - Original price $22.26
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$22.26
$22.26 - $22.26
Current price $22.26
Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Hydronix ICF-CAL10Q Inline pH Balancing & Acid Neutralization Filter – 1/4" QC Ports The Hydronix ICF-CAL10Q is a high-performance inline filte...

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
Original price $18.49 - Original price $18.49
Original price
$18.49
$18.49 - $18.49
Current price $18.49

The 5 Micron Smart Packs 2.5"x10" NSF Certified Sediment Premium Filters are a smart economical solution to pre-filtration for many applications. T...

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Original price $18.49 - Original price $18.49
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$18.49
$18.49 - $18.49
Current price $18.49
Original price $1.80 - Original price $1.80
Original price
$1.80
$1.80 - $1.80
Current price $1.80

The Hydrofit 1/4" Tube x 1/4" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...

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Original price $1.80 - Original price $1.80
Original price
$1.80
$1.80 - $1.80
Current price $1.80
Original price $35.99 - Original price $35.99
Original price
$35.99
$35.99 - $35.99
Current price $35.99

Polaris Scientific QS39 Replacement Quartz Sleeve for the UVA-12C, UVA-24B, UVA-36B, UVA-50B, UVA-60B, UVA-80B, UVA-100B, UVA-150B and UVA-200B Ult...

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Original price $35.99 - Original price $35.99
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$35.99
$35.99 - $35.99
Current price $35.99
Original price $113.70 - Original price $113.70
Original price
$113.70
$113.70 - $113.70
Current price $113.70

6 Pack - Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 microns and are used in residential and commercial...

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Original price $113.70 - Original price $113.70
Original price
$113.70
$113.70 - $113.70
Current price $113.70
Original price $7.83 - Original price $7.83
Original price
$7.83
$7.83 - $7.83
Current price $7.83

ASV Series Automatic Shut-off Valves are a key component in residential Reverse Osmosis systems. ASV Series Automatic Shut-off Valves are available...

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Original price $7.83 - Original price $7.83
Original price
$7.83
$7.83 - $7.83
Current price $7.83
Original price $89.99 - Original price $89.99
Original price
$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
Original price
$89.99
$89.99 - $89.99
Current price $89.99
Original price $1,149.95 - Original price $1,149.95
Original price
$1,149.95
$1,149.95 - $1,149.95
Current price $1,149.95

PRO+AQUA PRO-S-80E Whole House Water Softener – 80,000 Grain Capacity for High-Demand Homes The Ultimate Solution for Whole House Hard Water Soften...

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Original price $1,149.95 - Original price $1,149.95
Original price
$1,149.95
$1,149.95 - $1,149.95
Current price $1,149.95
Original price $15.99 - Original price $15.99
Original price
$15.99
$15.99 - $15.99
Current price $15.99

Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...

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Original price $15.99 - Original price $15.99
Original price
$15.99
$15.99 - $15.99
Current price $15.99
Original price $18.51 - Original price $18.51
Original price
$18.51
$18.51 - $18.51
Current price $18.51

Hydronix CB-25-2005 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2005 filters have a particle ...

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Original price $18.51 - Original price $18.51
Original price
$18.51
$18.51 - $18.51
Current price $18.51
Original price $0.00 - Original price $0.00
Original price $0.00
$14.99
$14.99 - $14.99
Current price $14.99

The Culligan 25-Micron Sediment Cartridge CW25-BBS is a replacement drinking water filter cartridge for use in several Culligan water filter housin...

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Original price $0.00 - Original price $0.00
Original price $0.00
$14.99
$14.99 - $14.99
Current price $14.99
Original price $39.50 - Original price $39.50
Original price
$39.50
$39.50 - $39.50
Current price $39.50

Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter – 4.5" x 20", 5 Micron Superior Water Filtration for Residential...

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Original price $39.50 - Original price $39.50
Original price
$39.50
$39.50 - $39.50
Current price $39.50
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