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: $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.
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
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
3MFF100 NSF Certified
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 AP200 NSF Certified
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
Aqua-Pure FM DWS 1500
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
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: $347.43

Our Price: $208.84

Save: $138.59!
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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: $241.94

Our Price: $145.43

Save: $96.51!
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Replace filter every 12 months
3M ESP124-T NSF Certified
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 NSF Certified
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 NSF Certified
3M ICE140-S Commercial Ice Machine Water Filter System
List Price: $437.97

Our Price: $263.27

Save: $174.70!
VIEW DETAILS
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: $639.68

Our Price: $384.53

Save: $255.15!
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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: $239.57

Our Price: $144.01

Save: $95.56!
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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!
VIEW DETAILS
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: $327.70

Our Price: $196.99

Save: $130.71!
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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: $61.25

Our Price: $36.82

Save: $24.43!
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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: $208.44

Our Price: $125.30

Save: $83.14!
VIEW DETAILS
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: $160.68

Our Price: $96.59

Save: $64.09!
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Replace filter every 6 months
3M BEV135 NSF Certified
3M BEV135 Commercial Cold Beverage High Flow Series Water Filter System
List Price: $341.45

Our Price: $205.24

Save: $136.21!
VIEW DETAILS
Replace filter every 6-12 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!
VIEW DETAILS
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!
VIEW DETAILS
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!
VIEW DETAILS
Replace filters every 6-12 months
3M BREW130-MS NSF Certified
3M BREW130-MS Commercial Coffee and Hot Tea Water Filter System
List Price: $264.38

Our Price: $158.93

Save: $105.45!
VIEW DETAILS
Replace filter every 6-12 months
3M BEV140 NSF Certified
3M BEV140 Commercial Cold Beverage Dispenser Water Filter System
List Price: $433.41

Our Price: $260.53

Save: $172.88!
VIEW DETAILS
Replace filter every 6-12 months
3M BEV145 NSF Certified
3M BEV145 Commercial Cold Beverage High Flow Series Water Filter System
List Price: $422.98

Our Price: $254.26

Save: $168.72!
VIEW DETAILS
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: $428.30

Our Price: $257.46

Save: $170.84!
VIEW DETAILS
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!
VIEW DETAILS
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!
VIEW DETAILS
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!
VIEW DETAILS
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 DF290-CL NSF Certified
3M DF290-CL Chloramine Reduction Manifold Water Filter System
List Price: $2,235.95

Our Price: $1,239.08

Save: $996.87!
VIEW DETAILS
Replace filters 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!
VIEW DETAILS
Replace filter every 6-12 months
3M HF265-CL NSF Certified
3M HF265-CL Cold Beverage Chloramine Reduction Water Filter System
List Price: $1,299.23

Our Price: $688.01

Save: $611.22!
VIEW DETAILS
Replace filters 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!
VIEW DETAILS
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!
VIEW DETAILS
Replace filter every 6-12 months
3M SGP124BN-T
3M SGP124BN-T ScaleGard Pro Hardness Reduction Water Filter Systems
List Price: $319.01

Our Price: $191.77

Save: $127.24!
VIEW DETAILS
Replace filter every 6-12 months
3M BREW110-MS
3M BREW110-MS Commercial Coffee and Hot Tea Water Filter System
List Price: $217.40

Our Price: $130.69

Save: $86.71!
VIEW DETAILS
Replace filter every 12 months
3M BREW115-MS
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
3M CS-451 OCS System for Office Coffee Applications w/ Rogo Filter Head
List Price: $43.56

Our Price: $66.35

VIEW DETAILS
Replace filter every 6 months
3M OWS120-L
3M OWS120-L OCS Water System for Espresso Machines & Tea Brewers
List Price: $78.27

Our Price: $119.20

VIEW DETAILS
Replace filter every 6 months
3M VH3CC350
3M VH3/CC350 OCS System for Office Water Applications
List Price: $72.67

Our Price: $111.20

VIEW DETAILS
Replace filter every 6 months
3M VH3HC351-S
3M VH3/HC351-S OCS System for Office Coffee Applications
List Price: $71.92

Our Price: $106.49

VIEW DETAILS
Replace filter every 6 months
3M OC205-S
3M OC205-S OCS In-line System for Office Coffee Applications
List Price: $15.06

Our Price: $19.88

VIEW DETAILS
Replace every 6 months