Under-Sink Water Filter Systems


Check out these high-performing undersink water filters for cleaner, purer water. SpiroPure reverse osmosis water filter systems are offered in tankless and traditional 6-stage RO both with remineralization media to add back lost beneficial minerals for better taste and alkalinity. Also look for non-RO under sink water filter replacements as well as inline undersink filter system options to meet your water filtration needs.

SpiroPure RO3

SpiroPure 1000 GPD Tankless RO System with Remineralization SP-RO1000TL

List Price: $452.00

Our Price: $319.70

Save: $132.30!
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Replace filters every 12 months

Tankless RO requires less space, and supplies more filtered RO water instantly. Easier installation and maintenance.

SP-RO100MP Remineralization

SpiroPure SP-RO100MP RO Filter System Under Sink 6-Stage with Remineralization

List Price: $318.00

Our Price: $159.00

Save: $159.00!
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No Faucet / Unbranded

6-stage under sink RO filter system with remineralization adds back lost beneficial minerals for better taste and pH

SpiroPure SP-RO100-BK

SpiroPure SP-RO100MP-BK 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $439.99

Our Price: $228.40

Save: $211.59!
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Matte Black Air Gap Faucet

6-Stage RO system with remineralization for purer drinking water and ice, cooking and food prep, humidifiers, and more

SpiroPure SP-RO100-GD
  • 5 Stars
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SpiroPure SP-RO100MP-GD 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $439.99

Our Price: $251.33

Save: $188.66!
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Gold Air Gap Faucet

6-Stage RO system with remineralization great for purer drinking water and ice, cooking and food prep, humidifiers, and more

SpiroPure SP-RO100-NK

SpiroPure SP-RO100MP-NK 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $439.99

Our Price: $227.25

Save: $212.74!
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Nickel Air Gap Faucet

6-Stage RO system with remineralization for purer drinking water and ice, cooking and food prep, humidifiers, and more

SpiroPure SP-RO100-CM

SpiroPure SP-RO100MP-CM 6-Stage Reverse Osmosis Filtration System with Faucet

List Price: $399.99

Our Price: $219.77

Save: $180.22!
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Chrome Air Gap Faucet

6-Stage RO system with remineralization for purer drinking water and ice, cooking and food prep, humidifiers, and more

Aqua-Pure 3MRO301 NSF Certified

3M Aqua-Pure 3MRO301 Reverse Osmosis Drinking Water Filtration System

List Price: $885.77

Our Price: $549.90

Save: $335.87!
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Replace filter every 12 months
3M 3MRO401 NSF Certified

3M Aqua-Pure 3MRO401 Reverse Osmosis Drinking Water Filtration System

List Price: $1,012.96

Our Price: $628.84

Save: $384.12!
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Replace filter every 12 months
Aqua-Pure 3MRO501 NSF Certified

3M Aqua-Pure 3MRO501 Pro Reverse Osmosis Drinking Water Filter System

List Price: $2,333.09

Our Price: $1,448.38

Save: $884.71!
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Replace filter every 12 months
3M FSTM075 NSF Independently Certified

3M FSTM-HP / FSTM075 (without Permeate Pump) Reverse Osmosis System

List Price: $868.34

Our Price: $460.73

Save: $407.61!
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Replace filter every 12 months
3MFF100 NSF Certified

3M Aqua-Pure 3MFF100 Inline Full Flow Undersink Water Filter

List Price: $561.10

Our Price: $280.55

Save: $280.55!
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Replace filter every 12 months

Installed to your existing kitchen faucet

3M AP200 NSF Certified

3M Aqua-Pure AP200 Full Flow UnderSink Water Filter

List Price: $315.90

Our Price: $157.95

Save: $157.95!
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Replace filter every 6 months
Aqua-Pure FM DWS 1500

3M Water Factory Systems FaucetMATE FM DWS 1500 Drinking Water System

List Price: $359.94

Our Price: $179.97

Save: $179.97!
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Replace filter every 12 months
Aquapure Complete Cooler

3M Aqua-Pure AP Easy Complete Under-Sink Filter Complete Cooler

List Price: $214.30

Our Price: $125.40

Save: $88.90!
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Replace filter every 6-12 months
aquapure AP-DWS1000LF

Aqua-Pure AP-DWS1000LF Undersink Water Filter (No Faucet)

List Price: $613.03

Our Price: $369.48

Save: $243.55!
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Replace filter every 6-12 months

Rated #1 by a leading consumer magazine!

aquapure CS-FF NSF Certified

Aqua-Pure CS-FF/Cyst-FF Inline Full Flow Drinking Water Filter

List Price: $230.53

Our Price: $143.13

Save: $87.40!
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Replace filter every 6-12 months

Installed to your existing kitchen faucet

3M BEV130 NSF Certified

3M Cuno BEV130 Single Cartridge Cold Beverage Water Filtration System

List Price: $446.70

Our Price: $223.35

Save: $223.35!
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Replace filter every 12 months
3M BREW120-MS NSF Certified

3M BREW120-MS Commercial Coffee and Hot Tea Water Filter System

List Price: $311.08

Our Price: $155.54

Save: $155.54!
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Replace filter every 12 months
3M ESP124-T NSF Certified

3M Cuno ESP124-T Espresso Water Filtration System

List Price: $295.86

Our Price: $147.93

Save: $147.93!
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Replace filter every 12 months
3M ICE120-S NSF Certified

3M ICE120-S Commercial Ice Machine Water Filter System

List Price: $424.36

Our Price: $212.18

Save: $212.18!
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Replace filter every 12 months
3M ICE140-S NSF Certified

3M ICE140-S Commercial Ice Machine Water Filter System

List Price: $563.14

Our Price: $281.57

Save: $281.57!
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Replace filter every 12 months
3M ICE160-S NSF Certified

3M ICE160-S Commercial Ice Machine Water Filtration System

List Price: $506.82

Our Price: $281.81

Save: $225.01!
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Replace filter every 12 months
3M ICE190-S NSF Certified

3M ICE190-S Commercial Ice Machine Water Filter System

List Price: $822.48

Our Price: $411.24

Save: $411.24!
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Replace filter every 12 months
3M SF165 NSF Independently Certified

3M Cuno SF165 ScaleGARD HT Water Filtration System

List Price: $1,035.03

Our Price: $575.51

Save: $459.52!
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Replace filters every 12 months
3M BREW125-MS NSF Certified

3M BREW125-MS Commercial Coffee & Hot Tea Water Filtration System

List Price: $308.02

Our Price: $154.01

Save: $154.01!
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Replace filter every 12 months
3M DP190 NSF Certified

3M DP190 Dual Port Water Filtration System

List Price: $1,242.70

Our Price: $690.99

Save: $551.71!
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Replace filter every 12 months
3M BEV160 NSF Certified

3M BEV160 Commercial Cold Beverage Water Filtration System

List Price: $494.64

Our Price: $272.41

Save: $222.23!
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Replace filter every 12 months
3M BEV190 NSF Certified

3M Commercial Cold Beverage Dispenser Water Filtration System

List Price: $627.57

Our Price: $352.28

Save: $275.29!
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Replace filter every 12 months
3M DP260 NSF Certified

3M DP260 Commercial Dual-Port Water Filtration System

List Price: $1,618.47

Our Price: $899.94

Save: $718.53!
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Replace filters every 12 months
3M DP290 NSF Certified

3M DP290 Dual-Port Commercial Water Filtration System

List Price: $1,857.21

Our Price: $1,032.68

Save: $824.53!
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Replace filters every 12 months
3M DP390 NSF Certified

3M DP390 Dual-Port Commercial Water Filtration System

List Price: $2,492.63

Our Price: $1,385.99

Save: $1,106.64!
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Replace filters every 12 months
3M ICE125-S NSF Certified

3M ICE125-S Commercial Ice Machine Water Filtration System

List Price: $421.36

Our Price: $210.68

Save: $210.68!
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Replace filter every 12 months
3M ICE260-S

3M ICE260-S Commercial Ice Machine Water Filtration System

List Price: $1,392.20

Our Price: $774.11

Save: $618.09!
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Replace filters every 12 months
3M CFS717 NSF Certified

3M CFS717 Commercial In-Line Water Filtration System

List Price: $78.76

Our Price: $39.38

Save: $39.38!
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Replace every 6 months
3M CFS8576-S NSF Certified

3M CFS8576-S (Series 7000-S) Commercial Water Filtration System

List Price: $250.60

Our Price: $134.00

Save: $116.60!
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Replace every 12 months
3M CFS201BWF

3M CFS201BWF Automatic Backwashing Point-of-Entry Water Filter System

List Price: $2,259.17

Our Price: $1,256.18

Save: $1,002.99!
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3M SF18-S NSF Independently Certified

3M SF18-S Scale Inhibition Water Filtration System

List Price: $206.60

Our Price: $103.30

Save: $103.30!
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Replace filter every 6 months
3M SGLP-075 NSF Independently Certified

3M SGLP-075 (with Permeate Pump) Reverse Osmosis Water Filtration System

List Price: $1,137.14

Our Price: $602.18

Save: $534.96!
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Replace filter every 12 months
3M SGLP200-CL

3M SGLP200-CL Reverse Osmosis Filtration System

List Price: $2,200.00

Our Price: $1,281.53

Save: $918.47!
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Replace filters every 6-12 months
3M SGLP200-CL-BP

3M SGLP200-CL-BP Reverse Osmosis Filtration System with Bypass

List Price: $2,736.34

Our Price: $1,521.50

Save: $1,214.84!
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Replace filters every 6-12 months
3M BREW130-MS NSF Certified

3M BREW130-MS Commercial Coffee and Hot Tea Water Filter System

List Price: $339.94

Our Price: $169.97

Save: $169.97!
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Replace filter every 6-12 months
3M BEV140 NSF Certified

3M BEV140 Commercial Cold Beverage Dispenser Water Filter System

List Price: $557.28

Our Price: $278.64

Save: $278.64!
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Replace filter every 6-12 months
3M BEV145 NSF Certified

3M BEV145 Commercial Cold Beverage High Flow Series Water Filter System

List Price: $543.86

Our Price: $271.93

Save: $271.93!
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Replace filter every 6-12 months
3M ICE145-S NSF Certified

3M ICE145-S Commercial Ice Machine High Flow Series Water Filter System

List Price: $550.70

Our Price: $275.35

Save: $275.35!
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Replace filter every 6-12 months
3M BEV165 NSF Certified

3M BEV165 Commercial Cold Beverage High Flow Series Water Filter System

List Price: $482.02

Our Price: $266.41

Save: $215.61!
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Replace filter every 6-12 months
3M ICE165-S NSF Certified

3M ICE165-S Commercial Ice Machine High Flow Series Water Filter System

List Price: $494.20

Our Price: $274.80

Save: $219.40!
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Replace filter every 6-12 months
3M BEV195 NSF Certified

3M BEV195 Commercial Cold Beverage Dispenser Water Filtration System

List Price: $606.56

Our Price: $350.38

Save: $256.18!
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Replace filter every 6-12 months
3M ICE195-S NSF Certified

3M ICE195-S Commercial Ice Machine Water Filter System

List Price: $618.68

Our Price: $344.00

Save: $274.68!
VIEW DETAILS
Replace filter every 6-12 months
3M ICE265-S NSF Certified

3M ICE265-S Commercial Ice Machine High Flow Series Water Filter System

List Price: $1,367.67

Our Price: $760.48

Save: $607.19!
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Replace filter every 6-12 months
3M DWS160-L

3M DWS160-L Single Cartridge Drinking Water Filtration System

List Price: $457.60

Our Price: $243.54

Save: $214.06!
VIEW DETAILS
Replace every 6-12 months
3M SGP165BN-T

3M SGP165BN-T ScaleGard Pro Espresso Single Cartridge Filter System

List Price: $427.21

Our Price: $237.54

Save: $189.67!
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Replace filter every 6-12 months
3M SGP195BN-T

3M SGP195BN-T ScaleGard Pro Espresso Single Cartridge Filter System

List Price: $479.89

Our Price: $266.84

Save: $213.05!
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Replace filter every 6-12 months
3M SGP124BN-T

3M SGP124BN-T ScaleGard Pro Hardness Reduction Water Filter Systems

List Price: $410.18

Our Price: $205.09

Save: $205.09!
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Replace filter every 6-12 months
3M BREW110-MS

3M BREW110-MS Commercial Coffee and Hot Tea Water Filter System

List Price: $279.54

Our Price: $139.77

Save: $139.77!
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Replace filter every 12 months
3M BREW115-MS

3M BREW115-MS Commercial Coffee and Hot Tea Water Filter System

List Price: $269.18

Our Price: $134.59

Save: $134.59!
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Replace filter every 12 months
3M CS-451

3M CS-451 OCS System for Office Coffee Applications w/ Rogo Filter Head

List Price: $132.70

Our Price: $70.97

Save: $61.73!
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Replace filter every 6 months
3M OWS120-L

3M OWS120-L OCS Water System for Espresso Machines & Tea Brewers

List Price: $254.98

Our Price: $127.49

Save: $127.49!
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Replace filter every 6 months
3M VH3CC350

3M VH3/CC350 OCS System for Office Water Applications

List Price: $237.84

Our Price: $118.92

Save: $118.92!
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Replace filter every 6 months
3M VH3HC351-S

3M VH3/HC351-S OCS System for Office Coffee Applications

List Price: $227.76

Our Price: $113.88

Save: $113.88!
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Replace filter every 6 months
3M OC205-S

3M OC205-S OCS In-line System for Office Coffee Applications

List Price: $42.52

Our Price: $21.26

Save: $21.26!
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Replace every 6 months