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FaucetsMore Top BrandsResold Home ImprovementAir QualityBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBLACK+DECKERCar Emergency SuppliesDehumidifiersKitchen Fixtures and MaterialsKitchen PlumbingLevoitLight BulbsPersonal PreparednessPipes, Fittings & AccessoriesPower Tool AccessoriesPower ToolsShop Plumbing by FixtureStorm & Flood PrepToilets and BidetsValves & Valve RepairWater DispensersWater FiltersWater Filtration & Water SoftenersWildfire PrepWinter PrepWoodworking Tools
Calcium Filter(61)
Uses item details. Price when purchased online
PRO+AQUA PRO-SCI-S45E Whole House Water Filter & Softener Bundle | 45,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 3–4 Bathrooms | High-Flow $926.95
Sponsored
$92695
current price $926.95PRO+AQUA PRO-SCI-S45E Whole House Water Filter & Softener Bundle | 45,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 3–4 Bathrooms | High-Flow
PRO+AQUA PRO-SCI-S25E Whole House Water Filter & Softener Bundle | 25,000 Grain Capacity, Removes Chlorine, Sediment, VOCs, Calcium, Magnesium, & More | Perfect for 1–2 Bathrooms | Premium Durability $770.95
Sponsored
$77095
current price $770.95PRO+AQUA PRO-SCI-S25E Whole House Water Filter & Softener Bundle | 25,000 Grain Capacity, Removes Chlorine, Sediment, VOCs, Calcium, Magnesium, & More | Perfect for 1–2 Bathrooms | Premium Durability
PRO+AQUA PRO-SCI-S80E Whole House Water Filter & Softener Bundle | 80,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 4–6 Bathrooms | High-Capacity, High-Flow $1,200.95
Sponsored
$1,20095
current price $1,200.95PRO+AQUA PRO-SCI-S80E Whole House Water Filter & Softener Bundle | 80,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 4–6 Bathrooms | High-Capacity, High-Flow
Aquasure Harmony Series 48,000 Grains Whole House Water Softener for 3-4 bathrooms (AS-HS48D) From $475.99
Sponsored
From$47599
Aquasure Harmony Series 48,000 Grains Whole House Water Softener for 3-4 bathrooms (AS-HS48D)
1464.4 out of 5 Stars. 146 reviews
Orbit Mist Outdoor Cooling System Calcium Inhibitor Filter $14.49
$1449
current price $14.49Orbit Mist Outdoor Cooling System Calcium Inhibitor Filter
15 out of 5 Stars. 1 reviews
WaterSentinel WS-21 Calcium Inhibitor Filter and Misting System Protector $15.99
$1599
current price $15.99WaterSentinel WS-21 Calcium Inhibitor Filter and Misting System Protector
25 out of 5 Stars. 2 reviews
WECO MOX-CALC-1045 Magnesium Oxide/Calcium Carbonate 4 " x 10" Filter Cartridge for Neutralization $152.60
$15260
current price $152.60WECO MOX-CALC-1045 Magnesium Oxide/Calcium Carbonate 4 " x 10" Filter Cartridge for Neutralization
APEC FI-PHPLUS-QC 10" High Purity pH+ Calcium Carbonate Alkaline Replacement Filter $44.99
$4499
current price $44.99APEC FI-PHPLUS-QC 10" High Purity pH+ Calcium Carbonate Alkaline Replacement Filter
154.8 out of 5 Stars. 15 reviews
Crystal Quest Calcium GAC Fluoride Reduction Filter Cartridge 2-7/8” x 9-3/4”, Condition New From $69.00
4 options
Available in additional 4 optionsFrom$6900
Crystal Quest Calcium GAC Fluoride Reduction Filter Cartridge 2-7/8” x 9-3/4”, Condition New
APEC 10" Alkaline High Purity pH+ Calcium Carbonate Inline Filter Kit with 3/8" Quick Connect (PHPLUSKIT-38) $49.95
$4995
current price $49.95APEC 10" Alkaline High Purity pH+ Calcium Carbonate Inline Filter Kit with 3/8" Quick Connect (PHPLUSKIT-38)
84.4 out of 5 Stars. 8 reviews
iSpring Whole House Water Filter System w/ Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Water Filters, 3-Stage Water Descaler and Water Filter, Model: WGB32B-KDS $629.99 Was $689.99
Sponsored
Now$62999
current price Now $629.99, Was $689.99$689.99
iSpring Whole House Water Filter System w/ Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Water Filters, 3-Stage Water Descaler and Water Filter, Model: WGB32B-KDS
15 out of 5 Stars. 1 reviews
iSpring Whole House Water Filter System, Reduces Scale, Corrosion, Chlorine, Taste, Odor, 2-Stage Water Descaler and Water Filter, Model: WGB22B-DS $490.84 Was $524.99
Sponsored
Now$49084
current price Now $490.84, Was $524.99$524.99
iSpring Whole House Water Filter System, Reduces Scale, Corrosion, Chlorine, Taste, Odor, 2-Stage Water Descaler and Water Filter, Model: WGB22B-DS
Clearance Demineralization Cartridge Filter for Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filters Replacement, Prevents Hard Water Build-Up Was $12.99
Demineralization Cartridge Filter for Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filters Replacement, Prevents Hard Water Build-Up
15 out of 5 Stars. 1 reviews
BRIGHT SHOWERS Shower Filter Replacement Cartridges, 2-Pack, Dual Filtration with KDF-55 & Calcium Sulfite, Reduces Chlorine & Impurities, Hard Water Filter for Handheld Shower Head $29.99
$2999
current price $29.99BRIGHT SHOWERS Shower Filter Replacement Cartridges, 2-Pack, Dual Filtration with KDF-55 & Calcium Sulfite, Reduces Chlorine & Impurities, Hard Water Filter for Handheld Shower Head
13 out of 5 Stars. 1 reviews
Demineralization Cartridge Filter for HoMedics Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filter Replacement, Prevents Hard Water Build-Up by Unbranded $15.37
$1537
current price $15.37Demineralization Cartridge Filter for HoMedics Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filter Replacement, Prevents Hard Water Build-Up by Unbranded
WECO CALC-1025 Custom Blend 2 " x 10" Calcium Carbonate Water Filter Cartridge for Neutralization $119.41
$11941
current price $119.41WECO CALC-1025 Custom Blend 2 " x 10" Calcium Carbonate Water Filter Cartridge for Neutralization
APEC PHPLUSKIT-14 - 10" Alkaline High Purity pH+ Calcium Carbonate Inline Filter Kit with 1/4" Quick Connect $48.08
$4808
current price $48.08APEC PHPLUSKIT-14 - 10" Alkaline High Purity pH+ Calcium Carbonate Inline Filter Kit with 1/4" Quick Connect
114.6 out of 5 Stars. 11 reviews
HotelSpa Universal Shower Filter High Intensity KDF Carbon Calcium Sulfite $19.99
$1999
current price $19.99HotelSpa Universal Shower Filter High Intensity KDF Carbon Calcium Sulfite
54.2 out of 5 Stars. 5 reviews
Shower Filter 15 High Output Universal Replaceable Water Purifier for Bathroom Kitchen Sink, Long Lasting Shower Head Filter with Redox Media, Calcium Sulfite, Reduces Chlorine, Hard Water, Odor
Shower Filter 15 High Output Universal Replaceable Water Purifier for Bathroom Kitchen Sink, Long Lasting Shower Head Filter with Redox Media, Calcium Sulfite, Reduces Chlorine, Hard Water, Odor
MINSUI-Replacement Cartridge - Lab Tested Chlorine Reducing Shower Water Filter - Multi Stage Calcium Sulfite KDF 55 Type Filter for Improved Hair & Skin - Reduce Hard Water for Dry Itchy Skin, Dandr $37.92
$3792
current price $37.92MINSUI-Replacement Cartridge - Lab Tested Chlorine Reducing Shower Water Filter - Multi Stage Calcium Sulfite KDF 55 Type Filter for Improved Hair & Skin - Reduce Hard Water for Dry Itchy Skin, Dandr
Brio Stage-3 Reverse Osmosis Membrane Replacement Water Cooler Filter $65.99
Sponsored
$6599
current price $65.99Brio Stage-3 Reverse Osmosis Membrane Replacement Water Cooler Filter
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iSpring WGB32B-DS Heavy Duty 3-Stage Whole House Water Filter $512.99
Sponsored
$51299
current price $512.99iSpring WGB32B-DS Heavy Duty 3-Stage Whole House Water Filter
6 Pcs Shower Head Filter 3 Inch PP Cotton Filter Cartridge Replacement With Calcium Balls High-Pressure Handheld Fan From $9.99
7 options
Available in additional 7 optionsFrom$999
6 Pcs Shower Head Filter 3 Inch PP Cotton Filter Cartridge Replacement With Calcium Balls High-Pressure Handheld Fan
11 out of 5 Stars. 1 reviews
Humidifier Demineralization Cartridge, Compatible with All LEVOIT Top Fill Humidifiers, Calcium and Magnesium Ion Softening, Humidifier Cleaning, 6 Pack, White
Humidifier Demineralization Cartridge, Compatible with All LEVOIT Top Fill Humidifiers, Calcium and Magnesium Ion Softening, Humidifier Cleaning, 6 Pack, White
Demineralization Cartridge Filter for Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filter Replacement, Prevents Hard Water Build-Up by $25.59
$2559
current price $25.59Demineralization Cartridge Filter for Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filter Replacement, Prevents Hard Water Build-Up by
10x Handheld Shower Head Filter Dual with Calcium Sulfite Ball $12.99
$1299
current price $12.9910x Handheld Shower Head Filter Dual with Calcium Sulfite Ball
Solid Metal Shower Head Filter Replacement Cartridge with KDF and Calcium Sulfite Media for Chlorine and Heavy Metals Chrome 1 Pack $68.31
$6831
current price $68.31Solid Metal Shower Head Filter Replacement Cartridge with KDF and Calcium Sulfite Media for Chlorine and Heavy Metals Chrome 1 Pack
PRO+AQUA PRO-SCI-S45E Whole House Water Filter & Softener Bundle | 45,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 34 Bathrooms | High-Flow $926.95
$92695
current price $926.95PRO+AQUA PRO-SCI-S45E Whole House Water Filter & Softener Bundle | 45,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 34 Bathrooms | High-Flow
Tuvgenk Faucet Filter Kitchen Splash Proof 6 Stage Faucet Aerator Plastic Reduce Calcium Pink Water Saving for Kitchen & Bathroom From $4.46
From$446
Tuvgenk Faucet Filter Kitchen Splash Proof 6 Stage Faucet Aerator Plastic Reduce Calcium Pink Water Saving for Kitchen & Bathroom
LUXE Bidet 4-in-1 Filtration Water Filter, with PP Cotton, Ion Filtration, and Calcium Salts for Chlorine Removal, with 3/8” Ends Designed to fit NEO Plus Bidets From $16.99
2 options
Available in additional 2 optionsFrom$1699
LUXE Bidet 4-in-1 Filtration Water Filter, with PP Cotton, Ion Filtration, and Calcium Salts for Chlorine Removal, with 3/8” Ends Designed to fit NEO Plus Bidets
274.8 out of 5 Stars. 27 reviews
Enagic F8 Premium Grade Water Filter for Leveluk K8 Kangen8 $159.99
Sponsored
$15999
current price $159.99Enagic F8 Premium Grade Water Filter for Leveluk K8 Kangen8
264.4 out of 5 Stars. 26 reviews
iSpring Whole House Water Filter System w/Auto-Flushing Spin Down Sediment Filter, Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Filter, Water Descaler and Filter, WGB32B-KDS+WSP50ARB $807.99 Was $850.99
Sponsored
Now$80799
current price Now $807.99, Was $850.99$850.99
iSpring Whole House Water Filter System w/Auto-Flushing Spin Down Sediment Filter, Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Filter, Water Descaler and Filter, WGB32B-KDS+WSP50ARB
Demineralization Cartridge Filter for HoMedics Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filter Replacement, Prevents Hard Water Build-Up by $24.98
$2498
current price $24.98Demineralization Cartridge Filter for HoMedics Ultrasonic Humidifiers, 10-Pack Decalcification Cartridge for Humidifier & Calcium Filter Replacement, Prevents Hard Water Build-Up by
VEVOR Mineralization Filter Replacement Remineralization Alkaline Water Filter for Reverse Osmosis System, Balances pH & Restores Minerals, Compatible with X811B Ice Maker Water Dispenser $18.99 Was $22.99
Now$1899
current price Now $18.99, Was $22.99$22.99
VEVOR Mineralization Filter Replacement Remineralization Alkaline Water Filter for Reverse Osmosis System, Balances pH & Restores Minerals, Compatible with X811B Ice Maker Water Dispenser
PRO+AQUA PRO-SCI-S25E Whole House Water Filter & Softener Bundle | 25,000 Grain Capacity, Removes Chlorine, Sediment, VOCs, Calcium, Magnesium, & More | Perfect for 12 Bathrooms | Premium Durability $770.95
$77095
current price $770.95PRO+AQUA PRO-SCI-S25E Whole House Water Filter & Softener Bundle | 25,000 Grain Capacity, Removes Chlorine, Sediment, VOCs, Calcium, Magnesium, & More | Perfect for 12 Bathrooms | Premium Durability
iSpring WDS80K Anti Scale 10" x 4.5" Whole House Water Filter with Patented Scale Inhibitor $229.99
$22999
current price $229.99iSpring WDS80K Anti Scale 10" x 4.5" Whole House Water Filter with Patented Scale Inhibitor
33.7 out of 5 Stars. 3 reviews
PRO+AQUA PRO-SCI-S80E Whole House Water Filter & Softener Bundle | 80,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 46 Bathrooms | High-Capacity, High-Flow $1,200.95
$1,20095
current price $1,200.95PRO+AQUA PRO-SCI-S80E Whole House Water Filter & Softener Bundle | 80,000 Grain Capacity | Removes Chlorine, Sediment, VOCs, Calcium & Magnesium | Ideal for 46 Bathrooms | High-Capacity, High-Flow
Aquios DS600 DuoPlus Jumbo Salt Free Water Softener & Filter System - Salt Free Scale Prevention - Catalytic Carbon Filtration - Chloramine/Chlorine/HS2 Removal - Prevents & Remove Calcium Scale $979.00
$97900
current price $979.00Aquios DS600 DuoPlus Jumbo Salt Free Water Softener & Filter System - Salt Free Scale Prevention - Catalytic Carbon Filtration - Chloramine/Chlorine/HS2 Removal - Prevents & Remove Calcium Scale
iSpring WDS150K Anti Scale 20" x 4.5" Whole House Water Filter with Patented Scale Inhibitor $294.50 Was $500.24
Now$29450
current price Now $294.50, Was $500.24$500.24
iSpring WDS150K Anti Scale 20" x 4.5" Whole House Water Filter with Patented Scale Inhibitor
35 out of 5 Stars. 3 reviews
VEVOR Whole House Water Filter Replacement Cartridge, 4.5" x 20" Polyphosphate Scale Inhibitor Filter for Whole Home Water Filtration System, Reduce Chlorine, Taste, Odor, Prevent Corrosion $42.50
$4250
current price $42.50VEVOR Whole House Water Filter Replacement Cartridge, 4.5" x 20" Polyphosphate Scale Inhibitor Filter for Whole Home Water Filtration System, Reduce Chlorine, Taste, Odor, Prevent Corrosion
Puredrop PDR-FA15 Alkaline Water Filter Cartridge Replacement for Reverse Osmosis Systems, pH Balance and Minerals Restoration $26.09
$2609
current price $26.09Puredrop PDR-FA15 Alkaline Water Filter Cartridge Replacement for Reverse Osmosis Systems, pH Balance and Minerals Restoration
15 out of 5 Stars. 1 reviews
iSpring WGB32B-DS Heavy Duty 3-Stage Whole House Water Filter $512.99
$51299
current price $512.99iSpring WGB32B-DS Heavy Duty 3-Stage Whole House Water Filter
iSpring F2WGB22BDS 4.5 x 20 2-Stage Whole House Water Filter Replacement Pack, Reduces Chlorine, Scale, Corrosion, Fits WGB22B-DS $284.99
$28499
current price $284.99iSpring F2WGB22BDS 4.5 x 20 2-Stage Whole House Water Filter Replacement Pack, Reduces Chlorine, Scale, Corrosion, Fits WGB22B-DS
NU Aqua 5 in 1 Alkaline Filter Replacement $37.95
$3795
current price $37.95NU Aqua 5 in 1 Alkaline Filter Replacement
4 Pack Shower Head Replacement Filter Cartridge, KDF-55 and Calcium Sulfite Media Hard Water Softener Filter for Handheld Filtered Showerhead $14.79
$1479
current price $14.794 Pack Shower Head Replacement Filter Cartridge, KDF-55 and Calcium Sulfite Media Hard Water Softener Filter for Handheld Filtered Showerhead
OnlyPure, OPRO600-PCT Mineral Rich - ALKALINE Filter, NSF Certified, Replacement for OPRO600-B Reverse Osmosis System, 600GPD, 1-year Lifetime $74.99
$7499
current price $74.99OnlyPure, OPRO600-PCT Mineral Rich - ALKALINE Filter, NSF Certified, Replacement for OPRO600-B Reverse Osmosis System, 600GPD, 1-year Lifetime
15 out of 5 Stars. 1 reviews
Eaglesorb ES3 Anti-Scale Water Filter Cartridge 2-7/8” x 20” From $128.00
3 options
Available in additional 3 optionsFrom$12800
Eaglesorb ES3 Anti-Scale Water Filter Cartridge 2-7/8” x 20”
iSpring FWDS150K Anti Scale Water Filter Replacement Cartridges, 20 x 4.5, 20" x 4.5", White $287.95 Was $424.84
Now$28795
current price Now $287.95, Was $424.84$424.84
iSpring FWDS150K Anti Scale Water Filter Replacement Cartridges, 20 x 4.5, 20" x 4.5", White
iSpring Anti-Scale Whole House Water Filter System, Reduces up to 99% Chlorine, Odor, and Sediments, 3-Stage Water Descaler and Water Filter, 1" Inlet/Outlet, Model: WGB31B-DS $435.99
$43599
current price $435.99iSpring Anti-Scale Whole House Water Filter System, Reduces up to 99% Chlorine, Odor, and Sediments, 3-Stage Water Descaler and Water Filter, 1" Inlet/Outlet, Model: WGB31B-DS
Calcite & Coconut Shell GAC Filter Cartridge 2-7/8" x 9-3/4" From $39.00
3 options
Available in additional 3 optionsFrom$3900
Calcite & Coconut Shell GAC Filter Cartridge 2-7/8" x 9-3/4"
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