Top 10 Northstar RO Filters – Replacement Under-Sink Water Filters

As an Amazon Associate I earn from qualifying purchases.

1. Soft Water Supply

#ad

Membrane 7287514 and Pre and Post Filter Set 7287506 with Battery and Filter Change Reminder Tag, Northstar Reverse Osmosis Filter Set

#ad
Soft Water Supply #ad - Includes filter change Reminder Tag and Replacement Battery for Water Quality Monitor. Authentic reverse Osmosis Parts From the Manufacturer. Set up recurring orders to save and keep your filters fresh! Reverse osmosis membrane plus pre and Post Filter for RO Model NSRO42C4 Included. Routine filter changes keep Your Water Healthy, Pure and Tasting Great for the Entire Family! .
BrandSoft Water Supply #ad
ManufacturerNorthStar #ad

2. North Star

#ad

North Star 7287506 Water Filtration Northstar Conditioning Pre & Post Filter

#ad
North Star #ad - Country of Origin: United States. Brand name: North Star. Item dimensions: 3. 0"l x 2. 0"w x 100"h. Item weight: 1. 0 lb.
BrandNorth Star #ad
ManufacturerNORTHSTAR #ad
Height10 Inches
Length3 Inches
Weight1 Pounds
Width2 Inches
Part Number7287506
Model7287506

3. Soft Water Supply

#ad

Northstar Reverse Osmosis Membrane Filter with RO Filter Change Reminder Tag, 7287514

#ad
Soft Water Supply #ad - Authentic reverse Osmosis Membrane From the Manufacturer. Set up recurring orders to keep your filters fresh! Reverse osmosis membrane fits RO Model NSRO42C4. Routine filter changes keep Your Water Healthy, Pure and Tasting Great for the Entire Family! Includes filter Change Reminder Tag.
BrandSoft Water Supply #ad
ManufacturerNorthStar #ad

4. Soft Water Supply

#ad

7287506, Northstar Reverse Osmosis Pre and Post Filter Set with Battery and Filter Change Reminder Tag

#ad
Soft Water Supply #ad - Set up recurring orders to save and keep your filters fresh! Manufacturer recommends changing filters at least every 6 months for best water quality. Routine filter changes keep Your Water Healthy, Pure and Tasting Great for the Entire Family! Set of authentic reverse Osmosis Pre and Post Filters From the Manufacturer. Includes filter change Reminder Tag and a Replacement Battery for Water Quality Monitor. Works on northstar RO Model NSRO42C4.
BrandSoft Water Supply #ad
ManufacturerSoft Water Supply #ad

5. North Star

#ad

Pre & Post Filters, Membrane and CR2032 Battery Bundle Plus Station Tag, North Star Reverse Osmosis System Complete Maintenance Kit

#ad
North Star #ad - Qty 1: north star 7287506 pre & post Filter with CR2032 Battery. Qty 1: waxaw station id log Tag p/n RT191. Qty 1: north star 7287514 Reverse Osmosis Membrane. Conveinent all-in-one kit to perform periodic required maintenance on your North Star NSRO42C4 water filtration system. Bundle - prefilter, reverse osmosis Membrane, Post Filter, Replacement 2032 Battery and Station ID Tag.
BrandNorth Star #ad
ManufacturerNorth Star #ad
Part Number7539917022
Model8541998819

6. Whirlpool

#ad

9.8 x 2.5 x 2.5 inches, Whirlpool WHEERF Replacement Water Filter Cartridges White

#ad
Whirlpool #ad - Replacement whirlpool reverse osmosis pre/post filter 2 pack fits systems WHAROS5, WHAPSRO & WHER25. Ultraease filter replacement - change filter in seconds with just a quarter turn – no hassles, no mess, no need to turn off your water supply. 6 month filter life - replace your systems pre and post filter every 6 months. Made in the USA. System is certified to reduce numerous contaminants including chlorine taste and odor, chemicals, lead, cysts, sediment, and dissolved solids. It is essential to change your filters on time to ensure your system is working properly.
BrandWhirlpool #ad
ManufacturerCommercial Water Distributing #ad
Height2.5 Inches
Length9.75 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberWHEERF
ModelWHIRLPOOL-WHEERF

7. APEC Water Systems

#ad

APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

#ad
APEC Water Systems #ad - Pipe size: 1/4 inches. Wqa certified to provide unlimited clean, engineered, refreshing crisp tasting water superior to bottled water. 2 year extended manufacturer warranty is available upon registration. System comes with 100% lead-free designer faucet, plus certified JG food grade tubing and parts to provide safe, contamination-free pure water.

High quality leak-free quick connect fittings require no extra lock clips to seal leak - not relying on water leak detector to protect your home like other brands. Comes with all parts and industry's best instructions and videos for an easy DIY experience. Premium long-lasting filters remove up to 99% of contaminants such as chlorine, odor, VOCs, lead, nitrates, taste, arsenic, as well as toxic fluoride, heavy metals and 1000+ contaminants.

America's no. 1 rated water filter brand with 20 years of success guaranteeing trouble free, dependable, noise-free system for long lasting, pure drinking water. Supreme quality - designed, and assembled in USA to guarantee water safety & your health. Max total dissolved Solids - 2000 ppm. Feed water pressure 40-85 psi.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height17.5 Inches
Length16 Inches
Weight25 Pounds
Width5.25 Inches
Part NumberROES-50-A
ModelROES-50
Warranty1 Year APEC

8. North Star

#ad

Pre & Post Filters and CR2032 Battery Bundle Plus Station Tag, North Star Reverse Osmosis System

#ad
North Star #ad - Bundle: pre-filter, post-filter, CR2032 Battery and Station ID Tag. Pre filter removes chlorine and sediment down to 5 microns. Post filter uses activated carbon to remove organic contaminants and any tastes or orders. Qty 1: waxaw station id tag p/n RT191. Reverse osmosis machine Designed, Engineered, and Assembled in the USA. Qty 1: bundle includes oem north star p/n 7287506 Pre & Post Filter including CR2032 Battery.
BrandNorth Star #ad
ManufacturerNorth Star #ad

9. APEC Water Systems

#ad

White, Standard , APEC Water Systems Filter-Set US Made Double Capacity Replacement Stage 1-3 for Ultimate Series Reverse Osmosis System

#ad
APEC Water Systems #ad - Apec ultimate high capacity pre-filter set is USA made and built to last 2x longer than other brands. 2nd & 3rd stage extruded carbon block filters to remove chlorine, taste & odor. Compatible with apec ro-45, ro-pump, ro-90, ro-ph90, ro-perm, ro-hi, wfs-1000 and all other standard size under counter reverse osmosis systems.1st stage polypropylene sediment filter to remove dust, particles, and rust.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height4.8 Inches
Length11.5 Inches
Weight2 Pounds
Width9.3 Inches
Part NumberFILTER-SET
ModelFILTER-SET

10. Puroflo

#ad

5 pc RO Water Filter Replacement Set, Reverse Osmosis Under-Sink Drinking System RODI Filtration Kit by PUROFLO, 5-Stage 1-Year

#ad
Puroflo #ad - Our products are certified by NSF. An affordable alternative for APEC, iSpring, Watts and more. Removes over 90% of contaminants. Includes 1 x sediment filter, 2 x carbon filter, 1 x In-line Carbon, and 1 x membrane. Does not include 5th stage quick-connect fittings. Puroflo ultimate high capacity 5-Stage complete filter set guarantees cleaner water for your health. Easy, do-it -yourself installation within typically an hour. Compatible with most 10’’ filter housing. 50 gpd 5 stage system delivers high quality, clean, crisp tasting water that tastes superior to bottled water.
BrandPuroflo #ad
ManufacturerGeneral Water Solutions #ad
Height5 Inches
Length18 Inches
Width13 Inches