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.

Tankless RO Systems

SpiroPure 1000 GPD Tankless RO System with Remineralization SP-RO1000TL

List Price: $452.00

Our Price: $271.99

Save: $180.01!

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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.

Traditional Tank RO Systems

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-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-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-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-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

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 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

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

Non-RO Under-Sink Filter

3M Aqua-Pure 3MDW301 Advanced Under-Sink Water Filter

List Price: $661.20

Our Price: $236.49

Save: $424.71!

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Replace filter every 12 months

Culligan Undersink Water Filter with Designer Faucet (Brushed Stainless) - Level 3 Advanced Filtration

List Price: $149.99

Our Price: $112.62

Save: $37.37!

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Culligan Undersink Water Filter with Contemporary Faucet (Antique Bronze) - Level 4 Premium Filtration

List Price: $199.99

Our Price: $151.06

Save: $48.93!

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Culligan Undersink Water Filter with Contemporary Faucet (Brushed Stainless) - Level 4 Premium Filtration

List Price: $199.99

Our Price: $151.06

Save: $48.93!

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Culligan Undersink Water Filter with Designer Faucet (Brushed Stainless) - Level 4 Premium Filtration

List Price: $149.99

Our Price: $139.68

Save: $10.31!

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Inline Under-Sink Filters

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

List Price: $402.59

Our Price: $262.32

Save: $140.27!

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Replace filter every 12 months

Installed to your existing kitchen faucet

3M Aqua-Pure AP200 Full Flow UnderSink Water Filter

List Price: $228.85

Our Price: $149.12

Save: $79.73!

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Replace filter every 6 months

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

List Price: $253.17

Our Price: $169.92

Save: $83.25!

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Replace filter every 12 months

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

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!

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

Commercial Inline Filters

3M Cuno BEV130 Single Cartridge Cold Beverage Water Filtration System

List Price: $347.43

Our Price: $208.84

Save: $138.59!

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Replace filter every 12 months

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

List Price: $241.94

Our Price: $145.43

Save: $96.51!

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Replace filter every 12 months

3M Cuno ESP124-T Espresso Water Filtration System

List Price: $230.10

Our Price: $138.32

Save: $91.78!

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Replace filter every 12 months

3M ICE120-S Commercial Ice Machine Water Filter System

List Price: $330.02

Our Price: $198.38

Save: $131.64!

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Replace filter every 12 months

3M ICE140-S Commercial Ice Machine Water Filter System

List Price: $437.97

Our Price: $263.27

Save: $174.70!

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Replace filter every 12 months

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 Commercial Ice Machine Water Filter System

List Price: $639.68

Our Price: $384.53

Save: $255.15!

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Replace filter every 12 months

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 Commercial Coffee & Hot Tea Water Filtration System

List Price: $239.57

Our Price: $144.01

Save: $95.56!

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Replace filter every 12 months

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 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 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 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 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 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 Commercial Ice Machine Water Filtration System

List Price: $327.70

Our Price: $196.99

Save: $130.71!

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Replace filter every 12 months

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 Commercial In-Line Water Filtration System

List Price: $61.25

Our Price: $36.82

Save: $24.43!

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Replace every 6 months

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

List Price: $208.44

Our Price: $125.30

Save: $83.14!

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Replace every 12 months

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 Scale Inhibition Water Filtration System

List Price: $160.68

Our Price: $96.59

Save: $64.09!

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Replace filter every 6 months

3M BEV135 Commercial Cold Beverage High Flow Series Water Filter System

List Price: $341.45

Our Price: $205.24

Save: $136.21!

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Replace filter every 6-12 months

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 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

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 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 Commercial Coffee and Hot Tea Water Filter System

List Price: $264.38

Our Price: $158.93

Save: $105.45!

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Replace filter every 6-12 months

3M BEV140 Commercial Cold Beverage Dispenser Water Filter System

List Price: $433.41

Our Price: $260.53

Save: $172.88!

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Replace filter every 6-12 months

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

List Price: $422.98

Our Price: $254.26

Save: $168.72!

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Replace filter every 6-12 months

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

List Price: $428.30

Our Price: $257.46

Save: $170.84!

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Replace filter every 6-12 months

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 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 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 Commercial Ice Machine Water Filter System

List Price: $618.68

Our Price: $344.00

Save: $274.68!

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Replace filter every 6-12 months

3M DF290-CL Chloramine Reduction Manifold Water Filter System

List Price: $2,235.95

Our Price: $1,239.08

Save: $996.87!

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Replace filters every 6-12 months

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 HF265-CL Cold Beverage Chloramine Reduction Water Filter System

List Price: $1,299.23

Our Price: $688.01

Save: $611.22!

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Replace filters every 6-12 months

3M DWS160-L Single Cartridge Drinking Water Filtration System

List Price: $457.60

Our Price: $243.54

Save: $214.06!

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Replace every 6-12 months

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 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 ScaleGard Pro Hardness Reduction Water Filter Systems

List Price: $319.01

Our Price: $191.77

Save: $127.24!

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Replace filter every 6-12 months

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

List Price: $217.40

Our Price: $130.69

Save: $86.71!

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Replace filter every 12 months

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

List Price: $209.36

Our Price: $125.85

Save: $83.51!

VIEW DETAILS

Replace filter every 12 months

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

List Price: $43.56

Our Price: $66.35

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Replace filter every 6 months

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

List Price: $78.27

Our Price: $119.20

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Replace filter every 6 months

3M VH3/CC350 OCS System for Office Water Applications

List Price: $72.67

Our Price: $111.20

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Replace filter every 6 months

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

List Price: $71.92

Our Price: $106.49

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Replace filter every 6 months

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

List Price: $15.06

Our Price: $19.88

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Replace every 6 months

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Undersink Filters > New Systems

Under-Sink Water Filter Systems

Our Price: $271.99

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

Our Price: $159.00

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

Our Price: $228.40

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

Our Price: $251.33

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

Our Price: $227.25

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

Our Price: $219.77

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

Our Price: $549.90

Our Price: $628.84

Our Price: $1,448.38

Our Price: $236.49

Our Price: $112.62

Our Price: $151.06

Our Price: $151.06

Our Price: $139.68

Our Price: $262.32

Installed to your existing kitchen faucet

Our Price: $149.12

Our Price: $169.92

Our Price: $125.40

Our Price: $369.48

Rated #1 by a leading consumer magazine!

Our Price: $143.13

Installed to your existing kitchen faucet

Our Price: $208.84

Our Price: $145.43

Our Price: $138.32

Our Price: $198.38

Our Price: $263.27

Our Price: $281.81

Our Price: $384.53

Our Price: $575.51

Our Price: $144.01

Our Price: $690.99

Our Price: $272.41

Our Price: $352.28

Our Price: $899.94

Our Price: $1,032.68

Our Price: $1,385.99

Our Price: $196.99

Our Price: $774.11

Our Price: $36.82

Our Price: $125.30

Our Price: $1,256.18

Our Price: $96.59

Our Price: $205.24

Our Price: $602.18

Our Price: $460.73

Our Price: $1,281.53

Our Price: $1,521.50

Our Price: $158.93

Our Price: $260.53

Our Price: $254.26

Our Price: $257.46

Our Price: $266.41

Our Price: $274.80

Our Price: $350.38

Our Price: $344.00

Our Price: $1,239.08

Our Price: $760.48

Our Price: $688.01

Our Price: $243.54

Our Price: $237.54

Our Price: $266.84

Our Price: $191.77

Our Price: $130.69

Our Price: $125.85

Our Price: $66.35

Our Price: $119.20

Our Price: $111.20

Our Price: $106.49

Our Price: $19.88