1,000+ results for reverse osmosis unit
- 50/75/100gpd 4 STAGE REVERSE OSMOSIS RO UNIT WITH DI CHAMBEROpens in a new window or tabBrand new£79.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May194+ sold
- Reverse Osmosis RO Unit with Booster Pump and DI Stage Pumped 50-100gpdOpens in a new window or tabBrand new£129.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May53+ sold
- Reverse Osmosis Water Filter System 50 GPD 6 Stage Pumped for Residential UseOpens in a new window or tabBrand new£161.49 £161.49 per Unit(£161.49/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree next day postagefinerfilters (54,720) 99.7%Get it by Tue 14 MayFree returns204 sold
- Reverse Osmosis RO Unit Complete Replacement Pre Filters Including MembraneOpens in a new window or tabBrand new£24.99 to £36.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May146+ sold
- Reverse Osmosis RO Unit Filter Kit Set Including Sediment Carbon Block and GACOpens in a new window or tabBrand new£10.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May1,502 sold
- Aquati 5 Stage RO DI resin reverse osmosis water filter system 50/75/100/150GPDOpens in a new window or tabBrand new£82.95 to £96.95eBay Premium Serviceaquati.ltd (12,452) 99.8%Free 3 day postageGet it by Thu 16 May548+ sold
- Aquarium Reverse Osmosis Unit ROOpens in a new window or tabPre-owned£10.00cityblue1980 (1,603) 100%0 bids · Time left4d 15h left (Fri, 08:47)+ £6.59 postage
- Reverse Osmosis 3 Stage RO Unit Replacement Pre Filters Including MembraneOpens in a new window or tabBrand new£22.99 to £32.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May476+ sold
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Sponsored | Top selling items from highly rated sellers with free postage- Aquati 4 Stage RO & DI Unit Compact Reverse Osmosis Pure Water Filter SystemOpens in a new window or tabBrand new£48.15 to £64.95eBay Premium Serviceaquati.ltd (12,452) 99.8%Free 3 day postageGet it by Thu 16 May209+ sold
- 4 Stage RO & DI Reverse Osmosis Filter Tropical Marine Fish 50 100 150 GPDOpens in a new window or tabBrand new£41.99 to £68.99eBay Premium Servicecollinswaterproducts (45,494) 99.9%Free 3 day postageGet it by Thu 16 May1,430+ sold
- Reverse Osmosis RO Unit Booster Pump Inc Transformer and Fittings 50/75/100/200gOpens in a new window or tabBrand new£51.95 to £78.95koi-bitz (24,932) 99.6%Free 2 day postageGet it by Wed 15 May54+ sold
- Reverse Osmosis RO Unit Automatic Auto Shut Off Kit Float Valve ConversionOpens in a new window or tabBrand new£17.49eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May382 sold
- E-Chen Self Regulating Booster Pump RO Reverse Osmosis Unit With TransformerOpens in a new window or tabBrand new£119.99Save up to 15% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May
- 10" Granulated GAC Carbon Filters for Reverse Osmosis RO Unit CartridgeOpens in a new window or tabBrand new£5.49 to £99.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May
- Reverse Osmosis Water Filter System 50 GPD 5 Stage Pumped By FinerfiltersOpens in a new window or tabBrand new£145.75 £145.75 per Unit(£145.75/Unit)Save up to 12% with Multi-buyeBay Premium ServiceFree next day postagefinerfilters (54,720) 99.7%Get it by Tue 14 MayFree returns93 sold
- Reverse Osmosis RO Unit Additional Membrane Upgrade Kit with HousingOpens in a new window or tabBrand new£31.99 to £37.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May108+ sold
- Reverse Osmosis RO Unit Filter Kit 1 x Sediment and 1 x carbon filter CartridgeOpens in a new window or tabBrand new£6.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May1,494+ sold
- Tulsion MB-115 Virgin Mixed Bed DI Ion Exchange Resin RO Reverse OsmosisOpens in a new window or tabBrand new£8.49 to £112.99 £14.49 per Unit(£14.49/Unit)eBay Premium Serviceoohpat1 (458) 98.3%Free 3 day postageGet it by Thu 16 May
- Hanging Mounting Bracket for RO Reverse Osmosis Unit Housings DI ChamberOpens in a new window or tabBrand new£5.99 to £9.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May202+ sold
- Vyair RO-50 4-Stage Reverse Osmosis 4 Stage System with Resin Stage, AquariumOpens in a new window or tabPre-owned£40.00chantry4 (126) 100%0 bids · Time left2d 9h left (Wed, 01:50)+ £25.00 postage
- Finerfilters Aquarium Water Filter System compact 4 Stage 50 GPD RO UnitOpens in a new window or tabBrand new£47.99Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinerfilters (54,720) 99.7%Get it by Thu 16 MayFree returns173 sold
- REVERSE OSMOSIS UNITS | D-D 4 StagesOpens in a new window or tabPre-owned£40.00maelli_9 (141) 100%0 bids · Time left1d 19h left (Tue, 12:39)£80.00Buy it now+ £6.00 postage
- Window cleaning aquarium reverse osmosis ro unit with DI 50,100,150,200,300,450Opens in a new window or tabBrand new£72.99 to £174.99eBay Premium Servicecollinswaterproducts (45,494) 99.9%Free 3 day postageGet it by Thu 16 May
- Aquati 4 Stage RO & DI Unit 100GPD Reverse Osmosis Pure Water Filter SystemOpens in a new window or tabBrand new£54.95eBay Premium Serviceaquati.ltd (12,452) 99.8%Free 3 day postageGet it by Thu 16 May
- L52 50/100/150gpd 4 STAGE REVERSE OSMOSIS WATER FILTER AQUARIUMS / PLANTSOpens in a new window or tabBrand new£10.49 to £50.00eBay Premium Servicelcwaterproductsltd (24,837) 100%Free 3 day postageGet it by Thu 16 May
- Aquati 3 Stage Reverse Osmosis Pure Water Filter 50GPD for Tropical Marine ReefOpens in a new window or tabBrand new£35.95eBay Premium Serviceaquati.ltd (12,452) 99.8%Free 3 day postageGet it by Thu 16 May21+ sold
- Pressure Gauge for Reverse Osmosis RO Unit / HMA Filter Aquarium with 1/4" PipeOpens in a new window or tabBrand new£7.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May840 sold
- Replacement Filters and Membrane for 7 Stage Reverse Osmosis AquafilterOpens in a new window or tabBrand new£59.00 £59.00 per Unit(£59.00/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postageaqfilters (15,497) 99.7%Get it by Thu 16 May179 sold
- Compact Under Sink 600GPD 5-Stage Tankless Reverse Osmosis RO Water Filter UnitOpens in a new window or tabBrand new£349.99Save up to 10% with Multi-buyWas: £369.99 5% offeBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May
- Reverse Osmosis RO Plastic Storage Pressure Tank 3 Gallons with Ball ValveOpens in a new window or tabBrand new£32.99Save up to 15% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May129 sold
- Reverse Osmosis Water Filter System 50 GPD 6 Stage Unpumped for Residential UseOpens in a new window or tabBrand new£142.49 £142.49 per Unit(£142.49/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree next day postagefinerfilters (54,720) 99.7%Get it by Tue 14 MayFree returns
- Reverse Osmosis Water Filter System 50 GPD 5 Stage Unpumped for Residential UseOpens in a new window or tabBrand new£123.49 £123.49 per Unit(£123.49/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree next day postagefinerfilters (54,720) 99.7%Get it by Tue 14 MayFree returns
- 50/75/100gpd 3 STAGE COMPACT RO REVERSE OSMOSIS UNIT WITH ALL ACCESSORIESOpens in a new window or tabBrand new£41.99 to £48.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May
- Low Pressure 1/4'' Switch For RO Unit Reverse Osmosis System Aquarium PartOpens in a new window or tabBrand new£4.99Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May149 sold
- Replacement Flush Valve Flow Restrictor Assembly for Reverse Osmosis RO UnitOpens in a new window or tabBrand new£7.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May86+ sold
- E-Chen EC-802-50 Diaphragm Booster Pump 50GPD for Reverse Osmosis / RO SystemsOpens in a new window or tabBrand new£44.95 £44.95 per Unit(£44.95/Unit)eBay Premium Servicefinerfilters (54,720) 99.7%Free 3 day postageGet it by Thu 16 MayFree returns
- 3 Litres 3000ml Mixed Bed Deionising Resin DI Resin For RO Unit Reverse OsmosisOpens in a new window or tabBrand new£24.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May1,114 sold
- Tankless Reverse Osmosis System, 6-Stage with Alkaline Post Filter, DFT8-600Opens in a new window or tabProduces Alkaline Drinking WaterBrand new£359.95 £359.95 per Unit(£359.95/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree next day postagefinerfilters (54,720) 99.7%Get it by Tue 14 MayFree returns162 watchers
- 5-Stage Tankless Reverse Osmosis RO Water Treatment System DFT9-600Opens in a new window or tabBrand new£314.95 £314.95 per Unit(£314.95/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree next day postagefinerfilters (54,720) 99.7%Get it by Tue 14 MayFree returns50 watchers
- 10" GAC Filter Cartridge Granulated Carbon Filters for Reverse Osmosis UnitOpens in a new window or tabBrand new£6.99 to £33.99eBay Premium Servicelcwaterproductsltd (24,837) 100%Free 3 day postageGet it by Thu 16 May
- 50/100/150gpd 4 STAGE REVERSE OSMOSIS RO UNIT WITH DI CHAMBEROpens in a new window or tabBrand new£72.99 to £90.00eBay Premium Servicecollinswaterproducts (45,494) 99.9%Free 3 day postageGet it by Thu 16 May
- 400gpd Reverse Osmosis RO FCS Membrane Housing TFC Filter for RO UnitOpens in a new window or tabBrand new£59.99Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May140+ sold
- L3 4 Stage Reverse Osmosis pre filters RO & DI Resin Replacement MembraneOpens in a new window or tabBrand new£22.95 to £69.45eBay Premium Servicelcwaterproductsltd (24,837) 100%Free 3 day postageGet it by Thu 16 May78+ sold
- Compact Reverse Osmosis RO Unit DI Deionisation Stage with Resin, Tubing, ClipsOpens in a new window or tabBrand new£16.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May388 sold
- L3 4 Stage Reverse Osmosis 10" RO DI Filters and membrane 50/100/150/400GPDOpens in a new window or tabBrand new£22.95 to £44.99eBay Premium Servicelcwaterproductsltd (24,837) 100%Free 3 day postageGet it by Thu 16 May
- 5 Litres 5000ml Mixed Bed Deionising Resin DI Resin For RO Unit Reverse OsmosisOpens in a new window or tabBrand new£34.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May487 sold
- TMC V2 Aquarium ro water filterOpens in a new window or tabPre-owned£110.00bluehawk_013 (333) 100%Free 3 day postageGet it by Thu 16 May
- Compact RO Unit Replacement Pre Filters Set Reverse Osmosis PP and CarbonOpens in a new window or tabBrand new£10.00everything2go (8) 100%0 bids · Time left1d 23h left (Tue, 15:55)+ £2.94 postage
- 5 x Reverse Osmosis RO Unit Carbon Block Filter CartridgesOpens in a new window or tabBrand new£16.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May271 sold
- 200gpd Reverse Osmosis RO FCS Membrane Housing TFC Filter for RO UnitOpens in a new window or tabBrand new£39.99Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May100+ sold
- Hanging Mounting Bracket & Screws for RO Reverse Osmosis Unit Housings, big blueOpens in a new window or tabBrand new£10.50waterfiltersltd (1,517) 100%Free 3 day postageGet it by Thu 16 MayAlmost gone23 sold
- 5 Stage Reverse Osmosis Replacement Water Filters and 50 GPD MembraneOpens in a new window or tabBrand new£30.95 £6.19 per Unit(£6.19/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinerfilters (54,720) 99.7%Get it by Thu 16 MayFree returns301 sold
- Compact Reverse Osmosis RO Unit Replacement Inline Filter Set Carbon SedimentOpens in a new window or tabBrand new£8.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May685 sold
- 10pk x 1 Micron Aquafilter sediment cartridge water filter size 10" - LIFF NSW1Opens in a new window or tabBrand new£15.90 £1.59 per Unit(£1.59/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postageaqfilters (15,497) 99.7%Get it by Thu 16 May1,210 sold
- Aquarium Reverse Osmosis 3 Stage Water Filter System, 50GPD - complete RO unitOpens in a new window or tabBrand new£69.95 £69.95 per Unit(£69.95/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinerfilters (54,720) 99.7%Get it by Thu 16 MayFree returns
- 5 Stage RO & DI resin reverse osmosis water filter system 50/75/100/150GPDOpens in a new window or tabBrand new£70.00 to £95.00eBay Premium Servicecollinswaterproducts (45,494) 99.9%Free 3 day postageGet it by Thu 16 May32+ sold
- 3 x Reverse Osmosis RO Unit Carbon Block Filter CartridgesOpens in a new window or tabBrand new£10.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May414 sold
- Flow Restrictor For Reverse Osmosis RO Unit System 300 400 550 800ccOpens in a new window or tabBrand new£3.99Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May156+ sold
- Aquati 4 Stage RO & DI Unit 50 GPD Reverse Osmosis Pure Water Filter SystemOpens in a new window or tabBrand new£48.15eBay Premium Serviceaquati.ltd (12,452) 99.8%Free 3 day postageGet it by Thu 16 May
- Reverse Osmosis Water Filter System 50 GPD 5 Stage Pumped for Residential UseOpens in a new window or tabBrand new£98.99 £9.90 per Unit(£9.90/Unit)Save up to 5% with Multi-buymihad-3135 (14) 80%+ £9.95 postage30 watchers
- 5 Stage RO & DI resin reverse osmosis complete water filter system & accessoriesOpens in a new window or tabBrand new£82.90 to £96.90eBay Premium Servicebypiak (27,795) 99.9%Free 3 day postageGet it by Thu 16 May93+ sold
- Reverse Osmosis 10" Clear Housing with push fit 1/4" connectors DI Pod RO UnitOpens in a new window or tabBrand new£12.49Save up to 15% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May969 sold
- Hanging Mounting Bracket for RO Reverse Osmosis Unit or Filter HousingsOpens in a new window or tabBrand new£3.00Save up to 20% with Multi-buytech_1006 (257) 100%+ £3.50 postage4 watchers
- Reverse Osmosis Water Filter System 50 GPD 6 Stage Pumped for Residential UseOpens in a new window or tabBrand new£159.00 £159.00 per Unit(£159.00/Unit)nicroths_59 (326) 98.4%+ £6.99 postage
- 10pk x 5 Micron Aquafilter sediment cartridge water filter size 10" - LIFF NSW5Opens in a new window or tabBrand new£15.90 £1.59 per Unit(£1.59/Unit)Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postageaqfilters (15,497) 99.7%Get it by Thu 16 May2,881 sold
- 1 x Reverse Osmosis RO Unit Sediment Filter Cartridge (1 or 5 Micron)Opens in a new window or tabBrand new£3.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May101+ sold
- L4 compact 4 Stage Reverse Osmosis RO/DI Complete Filter set 50/100/150GPDOpens in a new window or tabBrand new£26.99 to £42.50eBay Premium Servicelcwaterproductsltd (24,837) 100%Free 3 day postageGet it by Thu 16 May
- 10" Reverse Osmosis RO Unit Sediment Water Filter Cartridges (1 or 5 Micron)Opens in a new window or tabBrand new£9.49 to £74.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May56+ sold
- 3 Pack Replacement O Rings for standard 10" Reverse Osmosis RO Unit HousingOpens in a new window or tabBrand new£4.49eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May131 sold
- 3 Stage RO Reverse Osmosis Water Filter for Tropical and Marine Fish 75 GPDOpens in a new window or tabBrand new£37.90eBay Premium Servicebypiak (27,795) 99.9%Free 3 day postageGet it by Thu 16 May93+ sold
- Handheld TDS / Temperature Meter for Reverse Osmosis RO Unit + CaseOpens in a new window or tabBrand new£14.99Save up to 15% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May
- Vontron ULP21-4021 Commercial 21" Inch Reverse Osmosis RO Membrane Low PressureOpens in a new window or tabBrand new£169.99Save up to 10% with Multi-buyeBay Premium ServiceFree 3 day postagefinest-filters1 (373,658) 99.7%Get it by Thu 16 May
- 300gpd Vontron Reverse Osmosis RO Membrane Element ULP3012-300 Low PressureOpens in a new window or tabBrand new£59.99eBay Premium Servicefinest-filters1 (373,658) 99.7%Free 3 day postageGet it by Thu 16 May
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