Reverse Osmosis Controllers(10)
Uses item details. Price when purchased online
Ultima VII 5-Stage Reverse Osmosis Water Filter Kit – Compatible with Ultima 7 RO System, Includes 50 GPD Membrane, Annual Replacement, Change Every 6-12 Months $96.45
Sponsored
$9645
current price $96.45Ultima VII 5-Stage Reverse Osmosis Water Filter Kit – Compatible with Ultima 7 RO System, Includes 50 GPD Membrane, Annual Replacement, Change Every 6-12 Months
514.8 out of 5 Stars. 51 reviews
Reverse Osmosis Replacement Filter Filtration Set 5 pcs w/ CSM 50 GPD Membrane $43.60
Sponsored
$4360
current price $43.60Reverse Osmosis Replacement Filter Filtration Set 5 pcs w/ CSM 50 GPD Membrane
34.3 out of 5 Stars. 3 reviews
VEVOR Reverse Osmosis System, 600 GPD 10-stage Reverse Osmosis Water Filter Replacement, RO Filter Cartridge for 24 Months, Reduces Lead & Chlorine, Compatible with SS-003 Under Sink Water Filter $56.90
Sponsored
$5690
current price $56.90VEVOR Reverse Osmosis System, 600 GPD 10-stage Reverse Osmosis Water Filter Replacement, RO Filter Cartridge for 24 Months, Reduces Lead & Chlorine, Compatible with SS-003 Under Sink Water Filter
VEVOR Reverse Osmosis System, 400 GPD 9-stage Reverse Osmosis Water Filter Replacement, RO Filter Cartridge for 24 Months, Reduces Lead, Chlorine, Rust, Compatible with SS-001 Under Sink Water Filter $52.90
Sponsored
$5290
current price $52.90VEVOR Reverse Osmosis System, 400 GPD 9-stage Reverse Osmosis Water Filter Replacement, RO Filter Cartridge for 24 Months, Reduces Lead, Chlorine, Rust, Compatible with SS-001 Under Sink Water Filter
DICEWEN Reverse Osmosis RO Water-Flow Regulator Waterflow Control Valve Speed Controller $11.78
$1178
current price $11.78DICEWEN Reverse Osmosis RO Water-Flow Regulator Waterflow Control Valve Speed Controller
2pcs 1/4 Inch Hose Reverse Osmosis Water Flows Regulator Speed Controller Waterflow Control Valves for Household Use $8.03
$803
current price $8.032pcs 1/4 Inch Hose Reverse Osmosis Water Flows Regulator Speed Controller Waterflow Control Valves for Household Use
Whaledi 2pcs RO Water Speed Controller Hose Reverse Osmosis Water Flow Adjust Valves $9.59
$959
current price $9.59Whaledi 2pcs RO Water Speed Controller Hose Reverse Osmosis Water Flow Adjust Valves
Reverse Osmosis 1/4" Hose RO Water Flow Adjust Valve Regulator Waterflow Control Valve Connector Fitting Water Speed Controller ,Offering Precision and Performance $41.02
$4102
current price $41.02Reverse Osmosis 1/4" Hose RO Water Flow Adjust Valve Regulator Waterflow Control Valve Connector Fitting Water Speed Controller ,Offering Precision and Performance
Reverse Osmosis Intelligent Water Purifier Motherboard Universal Mini Square Screen Water Purifier Control Board $8.87
$887
current price $8.87Reverse Osmosis Intelligent Water Purifier Motherboard Universal Mini Square Screen Water Purifier Control Board
Oasiva Reverse Osmosis 1/4" Hose RO Water Purifier-Flow Regulator Waterflow Control Valve Connector Water Speed Controller Tool $13.21
$1321
current price $13.21Oasiva Reverse Osmosis 1/4" Hose RO Water Purifier-Flow Regulator Waterflow Control Valve Connector Water Speed Controller Tool
Other options to consider(136)
Deal Puredrop RTW5F5 5-Stage Reverse Osmosis System, Removes up to 99% PFAS, Chlorine, Fluoride, Lead & Heavy Metals, TDS Reduction, 50 GPD Under Sink RO System, w/ PDR-F5-50 Replacement Filter Pack $183.99 Was $229.99
Now$18399
current price Now $183.99, Was $229.99$229.99
Puredrop RTW5F5 5-Stage Reverse Osmosis System, Removes up to 99% PFAS, Chlorine, Fluoride, Lead & Heavy Metals, TDS Reduction, 50 GPD Under Sink RO System, w/ PDR-F5-50 Replacement Filter Pack
Aquasana SmartFlow Reverse Osmosis Water Filter System - Oil Rubbed Bronze Faucet $239.99 Was $479.99
Now$23999
current price Now $239.99, Was $479.99$479.99
Aquasana SmartFlow Reverse Osmosis Water Filter System - Oil Rubbed Bronze Faucet
114.6 out of 5 Stars. 11 reviews
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Geekpure 6-Stage Reverse Osmosis Water Filter System With Ultraviolet Sterilizer Filter-75GPD $157.99
$15799
current price $157.99Geekpure 6-Stage Reverse Osmosis Water Filter System With Ultraviolet Sterilizer Filter-75GPD
1214.5 out of 5 Stars. 121 reviews
LUXRISEON 2 Pieces Leak Proof Hose RO Water Speed Controller Waterflow Controller Adjust Valves Connector Fitting Accessories $11.11
$1111
current price $11.11LUXRISEON 2 Pieces Leak Proof Hose RO Water Speed Controller Waterflow Controller Adjust Valves Connector Fitting Accessories
Zecic 2 Pieces Leak Proof Hose RO Water Speed Controller Waterflow Controller Adjust Valves Connector Fitting Accessories $9.39 Was $10.49
Now$939
current price Now $9.39, Was $10.49$10.49
Zecic 2 Pieces Leak Proof Hose RO Water Speed Controller Waterflow Controller Adjust Valves Connector Fitting Accessories
Geekpure 5-Stage Reverse Osmosis Water Filter System-75GPD Under Sink RO system $145.99
$14599
current price $145.99Geekpure 5-Stage Reverse Osmosis Water Filter System-75GPD Under Sink RO system
1424.4 out of 5 Stars. 142 reviews
Geekpure 6-Stage Reverse Osmosis Water Filter System with Alkaline pH+ Remineralization Filter-75 GPD $154.99
$15499
current price $154.99Geekpure 6-Stage Reverse Osmosis Water Filter System with Alkaline pH+ Remineralization Filter-75 GPD
1614.4 out of 5 Stars. 161 reviews
iFilters 5 Stage Premium Reverse Osmosis Complete System 50 GPD With Filters - Faucet & Tank $167.21
$16721
current price $167.21iFilters 5 Stage Premium Reverse Osmosis Complete System 50 GPD With Filters - Faucet & Tank
22 out of 5 Stars. 2 reviews
CarpNettore Water Purifier Valve 1/4 inch Quick Connect Fitting Water Speed Controller Water Type A Was $13.99
CarpNettore Water Purifier Valve 1/4 inch Quick Connect Fitting Water Speed Controller Water Type A
iFilters Reverse Osmosis RO Flush Kit Valve for 50 GPD RO System, 1/4" QC Ports $10.50
$1050
current price $10.50iFilters Reverse Osmosis RO Flush Kit Valve for 50 GPD RO System, 1/4" QC Ports
iSpring RCC7, NSF Certified, 75 GPD High Capacity 5-Stage Reverse Osmosis System From $219.96
From$21996
iSpring RCC7, NSF Certified, 75 GPD High Capacity 5-Stage Reverse Osmosis System
1274.8 out of 5 Stars. 127 reviews
Deal GLACIER FRESH GFU03 Reverse Osmosis System for Under-Sink, 800 GPD, No Electric/Noise, Tankless, 3:1 Pure to Drain, 7-stage, Filtration Accuracy 0.0001m, NSF/ANSI 58 & 372 $199.99 Was $259.99
Now$19999
current price Now $199.99, Was $259.99$259.99
GLACIER FRESH GFU03 Reverse Osmosis System for Under-Sink, 800 GPD, No Electric/Noise, Tankless, 3:1 Pure to Drain, 7-stage, Filtration Accuracy 0.0001m, NSF/ANSI 58 & 372
124.1 out of 5 Stars. 12 reviews
2 Pieces Leak Proof Hose RO Water Speed Controller Waterflow Controller Adjust Valves Connector Fitting Accessories $7.09
$709
current price $7.092 Pieces Leak Proof Hose RO Water Speed Controller Waterflow Controller Adjust Valves Connector Fitting Accessories
Deal Ecoviva 1000GPD 9-Stage Reverse Osmosis Water Filter System 3:1 RO Tankless Alkaline From $259.99
From$25999
Ecoviva 1000GPD 9-Stage Reverse Osmosis Water Filter System 3:1 RO Tankless Alkaline
7-Stage UV+pH Zoi Theta Pure Reverse Osmosis System $423.99
$42399
current price $423.997-Stage UV+pH Zoi Theta Pure Reverse Osmosis System
2pcs 1/4 Inch Hose Reverse Osmosis RO Water Flows Adjust Valves Regulator with Lock and Stable Base for Safe Use $9.23
$923
current price $9.232pcs 1/4 Inch Hose Reverse Osmosis RO Water Flows Adjust Valves Regulator with Lock and Stable Base for Safe Use
VonWater Countertop Reverse Osmosis Water Filter System with Cold & Instant Hot, 7 Stage RO Water Filtration, Reduce TDS, PFAS $399.00
$39900
current price $399.00VonWater Countertop Reverse Osmosis Water Filter System with Cold & Instant Hot, 7 Stage RO Water Filtration, Reduce TDS, PFAS
Waterdrop G5P700A Alkaline Mineral pH+ Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 700G Reverse Osmosis System, 8 Stage RO Water Filtration System, 2:1 Pure to Drain, Smart LED Faucet $359.99 Was $409.99
Now$35999
current price Now $359.99, Was $409.99$409.99
Waterdrop G5P700A Alkaline Mineral pH+ Reverse Osmosis Water Filter, NSF/ANSI 372 Certified, 700G Reverse Osmosis System, 8 Stage RO Water Filtration System, 2:1 Pure to Drain, Smart LED Faucet
1864.9 out of 5 Stars. 186 reviews
iSpring RCC2AK-UV, Upgraded 200 GPD, UV pH+ Reverse Osmosis System, 7-Stage RO Water Filtration System with Alkaline and Ultraviolet Filter, Ideal for Large Households and Off $437.99
$43799
current price $437.99iSpring RCC2AK-UV, Upgraded 200 GPD, UV pH+ Reverse Osmosis System, 7-Stage RO Water Filtration System with Alkaline and Ultraviolet Filter, Ideal for Large Households and Off
114.6 out of 5 Stars. 11 reviews
Geekpure 6-stage Reverse Osmosis Drinking Water Filter System With Ultraviolet Sterilizer Filter-75GPD $159.99
$15999
current price $159.99Geekpure 6-stage Reverse Osmosis Drinking Water Filter System With Ultraviolet Sterilizer Filter-75GPD
83.6 out of 5 Stars. 8 reviews
iSpring RCD100HCG Hot & Cold Reverse Osmosis System Countertop, Alkaline RO Water Filter Dispenser, 9 Temperature & 6 Dispensing Volume Options, TDS & Filter Lifespan Monitor, Plug and Play $527.97
$52797
current price $527.97iSpring RCD100HCG Hot & Cold Reverse Osmosis System Countertop, Alkaline RO Water Filter Dispenser, 9 Temperature & 6 Dispensing Volume Options, TDS & Filter Lifespan Monitor, Plug and Play
55 out of 5 Stars. 5 reviews
Deal Waterdrop X12-Alkaline Mineral pH+ Reverse Osmosis System, NSF/ANSI 42&58&372 Certified, 1200 GPD RO Water Filter, 11-Stage Filtration Tankless RO System, 3:1 Pure to Drain,with F2 Water Filter $927.99 Was $1,127.99
Now$92799
current price Now $927.99, Was $1,127.99$1,127.99
Waterdrop X12-Alkaline Mineral pH+ Reverse Osmosis System, NSF/ANSI 42&58&372 Certified, 1200 GPD RO Water Filter, 11-Stage Filtration Tankless RO System, 3:1 Pure to Drain,with F2 Water Filter
564.9 out of 5 Stars. 56 reviews
iSpring RO5004F-AK Alkaline Reverse Osmosis Water Filter with UV, 500 GPD, pH+, 2:1 Pure to Drain, Tankless Remineralization RO System Under Sink with Boost Pump, Filter Life Monitor $351.98 Was $419.99
Now$35198
current price Now $351.98, Was $419.99$419.99
iSpring RO5004F-AK Alkaline Reverse Osmosis Water Filter with UV, 500 GPD, pH+, 2:1 Pure to Drain, Tankless Remineralization RO System Under Sink with Boost Pump, Filter Life Monitor
Reverse Osmosis Water Filter System SimPure Ro Water Filtration System, 75GPD | 5 Stage | Reduce TDS | Under Sink | Home Kitchen $119.69
$11969
current price $119.69Reverse Osmosis Water Filter System SimPure Ro Water Filtration System, 75GPD | 5 Stage | Reduce TDS | Under Sink | Home Kitchen
294.3 out of 5 Stars. 29 reviews
Deal Cobectal Multi Filter 3-Stage Under-Sink & Countertop Filtration System, Rseverse Osmosis System Water Purifier $223.99 Was $249.97
Now$22399
current price Now $223.99, Was $249.97$249.97
Cobectal Multi Filter 3-Stage Under-Sink & Countertop Filtration System, Rseverse Osmosis System Water Purifier
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Deal Waterdrop G3P600 Tankless Reverse Osmosis System, 8-Stage Under Sink Water Filter, NSF/ANSI 42, 58 & 372 Certified, Smart LED Faucet, 2:1 Pure to Drain with WD-MNR35 Filter From $423.99
From$42399
Waterdrop G3P600 Tankless Reverse Osmosis System, 8-Stage Under Sink Water Filter, NSF/ANSI 42, 58 & 372 Certified, Smart LED Faucet, 2:1 Pure to Drain with WD-MNR35 Filter
1964.8 out of 5 Stars. 196 reviews
Premier Home ALKALINE Reverse Osmosis Water Filtration CORE RO System 50 GPD Made in the U.S.A $189.00
$18900
current price $189.00Premier Home ALKALINE Reverse Osmosis Water Filtration CORE RO System 50 GPD Made in the U.S.A
6 Stage Zoi Epsilon Reverse Osmosis Water Filter System with pH Filter 50 GPD Drinking Water RO - Removes Fluoride, Arsenic, Lead, and MUCH more! FREE Flowlok Safety Kit Included! $329.99
$32999
current price $329.996 Stage Zoi Epsilon Reverse Osmosis Water Filter System with pH Filter 50 GPD Drinking Water RO - Removes Fluoride, Arsenic, Lead, and MUCH more! FREE Flowlok Safety Kit Included!
Deal AquaTru Classic Countertop Reverse Osmosis Water Purifier, 4-Stage Filtration $427.50 Was $475.00
Now$42750
current price Now $427.50, Was $475.00$475.00
AquaTru Classic Countertop Reverse Osmosis Water Purifier, 4-Stage Filtration
22834.6 out of 5 Stars. 2283 reviews
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Deal Waterdrop G3P800 Reverse Osmosis System, 800 GPD Fas1 Pure to Drain, Tankless Under Sink RO Water Filter System, LED Purifier,with Extra WD-G3-N1CF $726.99 Was $1,099.99
Now$72699
current price Now $726.99, Was $1,099.99$1,099.99
Waterdrop G3P800 Reverse Osmosis System, 800 GPD Fas1 Pure to Drain, Tankless Under Sink RO Water Filter System, LED Purifier,with Extra WD-G3-N1CF
1194.9 out of 5 Stars. 119 reviews
Deal Restored Waterdrop G3P600 Reverse Osmosis System, 8 Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI Certified, 2:1 Pure to Drain, Smart LED Faucet (Refurbished) $309.00
$30900
current price $309.00Restored Waterdrop G3P600 Reverse Osmosis System, 8 Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI Certified, 2:1 Pure to Drain, Smart LED Faucet (Refurbished)
Deal Waterdrop G2 Tankless Reverse Osmosis System, 7-Stage Under Sink Water Filter, 400 GPD, 1:1 Pure to Drain Ratio, Reduces TDS, FCC Certified, USA Technology, Includes 1 Filter $226.99
$22699
current price $226.99Waterdrop G2 Tankless Reverse Osmosis System, 7-Stage Under Sink Water Filter, 400 GPD, 1:1 Pure to Drain Ratio, Reduces TDS, FCC Certified, USA Technology, Includes 1 Filter
154.9 out of 5 Stars. 15 reviews
Deal Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, [Dual Flow] ,with extra filter $307.98 Was $439.99
![Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, [Dual Flow] ,with extra filter](https://i5.walmartimages.com/seo/Waterdrop-WD-T4-A-Alkaline-pH-Reverse-Osmosis-Water-Filter-10-Stage-450GPD-Tankless-Undersink-RO-Filtration-System-2-1-Pure-Drain-Dual-Flow-with-extr_0913f4f2-30d9-4616-968d-ed01d4b52abc.55708006b9e9612ca8a7699c707f2e14.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Now$30798
current price Now $307.98, Was $439.99$439.99
Waterdrop WD-T4-A Alkaline pH+ Reverse Osmosis Water Filter, 10-Stage, 450GPD Tankless Undersink RO Filtration System, 2:1 Pure to Drain, [Dual Flow] ,with extra filter
1644.9 out of 5 Stars. 164 reviews
Deal AquaTru Carafe Countertop Water Purifier System, Smart Alkaline 4-Stage Reverse Osmosis, 14x7.5x13 in., 1-Pack $360.00 Was $395.00
Now$36000
current price Now $360.00, Was $395.00$395.00
AquaTru Carafe Countertop Water Purifier System, Smart Alkaline 4-Stage Reverse Osmosis, 14x7.5x13 in., 1-Pack
14564.6 out of 5 Stars. 1456 reviews
Popular in Reverse Osmosis Controllers
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Filtration Warehouse Leak Stop Valve, Water Protection for Reverse Osmosis or Under Sink Water Filter System - Auto Shut Off Device to Prevent Leaks$10.79current price $10.79