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FaucetsMore Top BrandsResold Home ImprovementAir QualityBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBLACK+DECKERCar Emergency SuppliesDehumidifiersKitchen Fixtures and MaterialsKitchen PlumbingLight BulbsPersonal PreparednessPipes, Fittings & AccessoriesPower Tool AccessoriesPower ToolsShop Plumbing by FixtureStorm & Flood PrepToilets and BidetsTool Equipment & StorageValves & Valve RepairWater DispensersWater FiltersWater Filtration & Water SoftenersWildfire PrepWinter PrepWoodworking Tools
Calcium Filter(62)
Uses item details. Price when purchased online
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
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
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)
1494.4 out of 5 Stars. 149 reviews
Orbit Mist Outdoor Cooling System Calcium Inhibitor Filter $14.49 Was $22.99
Now$1449
current price Now $14.49, Was $22.99$22.99
Orbit Mist Outdoor Cooling System Calcium Inhibitor Filter
25 out of 5 Stars. 2 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, 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
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
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
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
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
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
70L Cationic Resin Filter Compatible with LELIT PLA930M Espresso Machines, Upgraded Cationic Water Softeners for Tank, Removes Calcium & Magnesium, Releases Sodium, Prevents Limescale, White $28.99
$2899
current price $28.9970L Cationic Resin Filter Compatible with LELIT PLA930M Espresso Machines, Upgraded Cationic Water Softeners for Tank, Removes Calcium & Magnesium, Releases Sodium, Prevents Limescale, White
6 Pcs Shower Head Filter 3 Inch PP Cotton Filter Cartridge Replacement With Calcium Balls High-Pressure Handheld Fan From $9.49
7 options
Available in additional 7 optionsFrom$949
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
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 $27.99
$2799
current price $27.99Shower 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
iSpring Whole House Water Filter System w/Jumbo-Sized Spin Down Sediment Filter, Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Water Filters, Water Descaler and Filter, Model: WGB32B-KDS+WSP50J $913.48
Sponsored
$91348
current price $913.48iSpring Whole House Water Filter System w/Jumbo-Sized Spin Down Sediment Filter, Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Water Filters, Water Descaler and Filter, Model: WGB32B-KDS+WSP50J
15 out of 5 Stars. 1 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 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
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
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
Shower Head Filter Replacement Cartridge with KDF-55 and Calcium Sulfite Media for Chlorine and Heavy Metal Reduction $53.14
$5314
current price $53.14Shower Head Filter Replacement Cartridge with KDF-55 and Calcium Sulfite Media for Chlorine and Heavy Metal Reduction
Qissep Universal 20 Stage Shower Filter for Hard Water,with 3 Replaceable Filter Cartridges,Easy to Install,Reduces Dry Skin
Qissep Universal 20 Stage Shower Filter for Hard Water,with 3 Replaceable Filter Cartridges,Easy to Install,Reduces Dry Skin
334.5 out of 5 Stars. 33 reviews
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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
264.9 out of 5 Stars. 26 reviews
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
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
Save with
iSpring Whole House Water Filter System w/Spin Down Sediment Filter, Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Water Filters, Water Descaler and Water Filter, Model: WGB32B-KDS+WSP50 $749.99 Was $956.99
Sponsored
Now$74999
current price Now $749.99, Was $956.99$956.99
iSpring Whole House Water Filter System w/Spin Down Sediment Filter, Polyphosphate Anti-Scale, GAC+KDF, and Carbon Block Water Filters, Water Descaler and Water Filter, Model: WGB32B-KDS+WSP50
15 out of 5 Stars. 1 reviews
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 $349.99 Was $500.24
Now$34999
current price Now $349.99, Was $500.24$500.24
iSpring WDS150K Anti Scale 20" x 4.5" Whole House Water Filter with Patented Scale Inhibitor
25 out of 5 Stars. 2 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
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
NU Aqua 5 in 1 Alkaline Filter Replacement $34.16
$3416
current price $34.16NU Aqua 5 in 1 Alkaline Filter Replacement
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
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”
Whole House Water Filter Replacement Cartridge 4.5" x 20", Polyphosphate Scale Inhibitor, Chlorine Reduction, Odor Filter for Home Water Systems $55.20
$5520
current price $55.20Whole House Water Filter Replacement Cartridge 4.5" x 20", Polyphosphate Scale Inhibitor, Chlorine Reduction, Odor Filter for Home Water Systems
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
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
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"
Whole House Water Filter Cartridge, 4.5"x20" Polyphosphate Scale Inhibitor, Reduces Chlorine & Odor, Protects Plumbing, 100K Gallon Capacity $55.20
$5520
current price $55.20Whole House Water Filter Cartridge, 4.5"x20" Polyphosphate Scale Inhibitor, Reduces Chlorine & Odor, Protects Plumbing, 100K Gallon Capacity
iSpring FWDS150K Anti Scale Water Filter Replacement Cartridges, 20 x 4.5, 20" x 4.5", White $324.53
$32453
current price $324.53iSpring 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
Other options to consider(384)
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