Top 9 Prefilter Water Filter – Under-Sink & Countertop Filtration

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1. SimPure


BPA Free, SimPure Spin Down Sediment Filter, 40 Micron, 1" MNPT + 3/4" FNPT + 3/4"MNPT, Reusable Whole House Spindown Pre Sediment Water Filter, Water Pre-Filter System, Brass

SimPure #ad - With 30 days no-hassle return, WA USA, and 1-year satisfaction guarantee. First defence house prefilter - simpure whole house spin-down sediment filter, rust, calcium, debris, and sand granules along with other impurities reaching your home and family, designed to prevent contaminants such as sediment, enjoy cleaner drinking and cooking water with this flushable and reusable filter system.

Serving usa since 2006 - seattle, do not hesitate to contact us, and industry leading warranty and services. It is suitable for any threaded connector with 1" Female NPT or 3/4" Male NPT or 3/4" Female NPT. Flexible installation connections - the filter is supplied with 1" male npt, 3/4" female npt and 3/4" male npt. 40 micron food grade stainless steel mesh filter to reduce and capture particles larger the 40μm half the thickness of a human hair! from entering your home. 100% safe material - certified by nsf and sgs - bpa free. Valve head made of high quality brass. Just open the drain valve for at least 30 seconds to self-flush and clean the whole system to ensure filtering effect.

The threaded connector is not included in the package, it needs to be purchased separately according to the specifications of the copper/PEX/CPVC water pipe. If you have any questions, simPure dedicated in providing world class quality of water filtration solutions, we will do our best to solve your problem. Protection - for your homes plumbing, kitchen, water appliances such as water heaters, shower heads, washing machines, and bathroom fixtures from damaging particles found in City or Well water responsible for clogging faucets, water purifiers, and other water-related equipment.
BrandSimPure #ad
ManufacturerSimPure #ad
Height8.3 Inches
Length3.7 Inches
Weight2.14 Pounds
Width2.6 Inches
Part NumberDC3
Warranty1 Year Manufacturer

2. APEC Water Systems


APEC Water Systems FILTER-SET-ES High Capacity Replacement Pre-Filter Set For Essence Series Reverse Osmosis Water Filter System Stage 1-3

APEC Water Systems #ad - Includes 1 sediment and 2 carbon block filters to protect and extend the life of the RO system. 2nd & 3rd stage 10 micron extruded carbon block filters to remove chlorine, taste & odor. High performance replacement filters are compatible with all standard sized under counter RO systems. Apec water essence series filter-set-es is for roes-50, roes-phuv75, roes-ph75, roes-uv75-SS and ROES-UV75. 1st stage 5 micron Polypropylene sediment filter to remove dust, particles and rust.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height10 Inches
Length2.5 Inches
Weight2 Pounds
Width7.5 Inches



Water Prefilter Sediment Filter for Well Water Hose Sediment Filter Reusable Spin Down Sediment Water Filter, Prefilter System Protector 40 Micron, 1/2" FNPT+1" MNPT

WELSPO #ad - Flushable & resuable - ideal frontier water filter before a larger filtration system, washable and reusable to reduce the workload of the water purifier filter, extend the life of other multi-stage filters to achieve better filtration effect.

Protect the water device at the source! Easy installtion with double threads - can easily be connected to t to 1/2 water tube, double threads on both ends, 1/2 inch FNPT, just open the drain valve for at least 30 seconds to self-flush and clean the whole system to ensure filtering effect. Valve head made of high quality brass. The transparent housing has been special treatment, ultimate burst pressure is above 5MPa, see through housing also offers easy visual monitoring.

40um stainless steel mesh inner to effective remove harmful substances. Speed installation, save your time. Can stand up to 20 gpm and better using between 30-120 PSI. First layer of whole house filtrationi - 40 micron food grade stainless steel mesh filter, rust, perfect for remove sediment, sand and other impurities from the tap or well water.100% safe material - tested against nsf & sgs standards, safe and reliable.
BrandWELSPO #ad
Manufacturerbestrich #ad
Height2.36 Inches
Length8.27 Inches
Weight646 Grams
Width3.54 Inches

4. iSpring


Multiple Micron Sizes, iSpring WSP-50SL Reusable Whole House Spin Down Sediment Water Filter with Siliphos Helps Prevent Scale and Corrosion, 1" MNPT + 3/4" FNPT, 20 GPM, 50

iSpring #ad - Double threads on both ends: 1-inch mnpt and 3/4 inch FNPT, flush out valve has garden hose barb fitting. Rated at 50 micron. It is recommended that the filter to be replaced every 3-6 months to prevent scale from building up.

Includes siliphos to help prevent scale and stop corrosion, greatly extending the life of your plumbing fixtures. 40 - 100f, 20 - 100 psi, for indoor use only. Flushable and reusable takes the considerable workload off finer filters that follow behind it; helps create a multi-layer gradient filtration system for better filtration results and extend filter life. See-through housing provides easy visual monitoring. Ideal first stage water filter for residential homes to reduce sediment, dirt, sand, rust, and large particles before water entering to a finer whole house water filtration system.
BrandiSpring #ad
Manufacturerispring water systems #ad
Height9 Inches
Length3.5 Inches
Weight1 Pounds
Width2 Inches
Part NumberWSP50SL
Warranty1 year manufacturer

5. iSpring


1" MNPT + 3/4" FNPT, 50 Micron, iSpring WSP50 WSP-50 WSP-50-Reusable Whole House Spin Down Sediment Water Filter 50 Micron, Brass

iSpring #ad - 40 - 100f, 20 - 100 psi, for indoor use only. Note: screens with 50 or 100 microns may be clogged very soon for water with high sediment content. Rated at 50 micron.

Flushable and reusable takes the considerable workload off finer filters that follow behind it; unlike traditional sediment filters, regular flushing keeps the WSP performance in control. See-through housing provides easy visual monitoring. Solid lead-free brass machine head with stainless steel mesh filter screen that usually lasts 1 - 2 years. Ideal frontier water filter protecting your entire plumbing system from sediment, rust, dirt, sand, and large particles. Contact us for screen replacement in different size. Easy installation with double threads: 1-inch mNPT and 3/4 inch FNPT on both ends, garden hose barb fitting on flush out valve.
BrandiSpring #ad
ManufactureriSpring Water Systems #ad
Height9 Inches
Length3.5 Inches
Weight1 Pounds
Width3.5 Inches
Part NumberWSP50

6. GoesGreen


Atlantic Filter, Lindyspring, Steeltec, Lancaster, Water Care, Avian, PURO, Pure-Tel, Hellenbrand, Water-Right, Master Water and Others, S7128 Premium Compatible Goes Green Sediment Carbon Prefilter Replacement Water Filter Cartridge for S7128 Aqua Systems

GoesGreen #ad - Great taste and odor replacement water filter. Lindyspring, water Care, puro, Atlantic Filter. S7128 premium compatible goes Green Sediment Carbon Prefilter Replacement Water Filter. Aqua systems, lancaster, Hellenbrand, Avian, Steeltec.
BrandGoesGreen #ad
ManufacturerGoes Green #ad
Part NumberB00EVYBE7E

7. Aquasana


4-pack,White, Aquasana EQ-304-20 Replacement 20-Inch, Sediment Pre-filters for Whole House Water Filter Systems

Aquasana #ad - Use genuine aquasana replacements only - untested replacements are not certified for performance capacity or contaminant removal. Designed to prevent dirt and sediment particles from entering and clogging the main filter unit. Replace filters every 1-3 months depending on water quality and sediment levels - when color darkens or water flow slows. Replacement 20-inch, sediment pre-filter for Aquasana Whole House Systems 4-pack. Replacements made easy - no plumber required.
BrandAquasana #ad
ManufacturerAquasana #ad
Height20 Inches
Length2.5 Inches
Weight1.3 Pounds
Width2.5 Inches
Part NumberEQ-304-20

8. Membrane Solutions


WFPFC3002, Membrane Solutions 5 Micron Pleated Polyester Sediment Water Filter 10"x2.5" Replacement Cartridge Universal Whole House Pre-Filter Compatible with W50PE, FM-50-975, 4 Pack, SPC-25-1050

Membrane Solutions #ad - Washable & reusable - this filter can be washable for multiple times, but it's working effectively while the cartridge itself is not dirty, or following the change-out cycle we recommend to avert re-contamination of filtered water. Pre-filter for residential, commercial and industrial applications.

Please note this filter can't remove chlorine to improve water taste. It provides you with stable and continuous water flow without obvious pressure drop. Universal fit - 9-7/8"length x 2-1/2"outer diameter x 1-1/10"inner diameter, 5 Micron pleated water filter replacement cartridge is fits most 10" filter housings for bench top, under-sink or whole house filtration system. Remove sand, dirt, silt, rust and scale particles more effectively. Protect water equipment - as the first line of defense in the filtration system, it can effectively prevent the clogging of water pipes and prolong the service life of water equipment.

3 month service lifetime - filters up to 15, 000-20, 000 gallons water. The filtered capacity and change-out cycle depends on inlet water quality or filters's running/using time every day. Ensure the experience of household water using. Efficient filtration - this filter cartridge has a larger specific surface area than original sediment filters because of pleated design. For better water quality, filters should be replaced regularly.
BrandMembrane Solutions #ad
ManufacturerMembrane Solutions #ad

9. Ronaqua


By Ronaqua Well-Matched with WSP-50, Rust, HQ-180ZA-50, Sand from Water, Reusable Whole House Spin Down Sediment Water Filter. Prefilter Removes Sediment, 40 Micron, ¾ or 1 Inch Inlet/Outlet

Ronaqua #ad - Extends life of washing Machines, scale, well water filtration, and silt. The cap has 3/4" or 1” inlet / outlet ports which allowed better sealed connections to the corresponding pipes. 40 micron stainless Steel Mash Used for effectively removing most sediments from water. Keeps water fresh by reducing sediment, dirt, sands, but not limited to residential drinking water filtration, and irrigation.

Stress-free maitanence just open the drain valve for at least 30 seconds to self-flush and clean the whole system. Once having done so, you simple close the valve and the water resumes flowing to the rest of your house. First layer of filtration: this system for use in various applications and is usually placed in the main water line entering the house including, rust, food service, Water Heaters & Other Household Appliances. All you have to do is open the valve on the bottom of the system to allow the water to flush out the filter cartridge of any built-up sediment and particle impurities.

Easy to operate: 40 micron filter net made from durable sus316 stainless steel allows this filter to work without the need to replace its main component. There is rubber o-ring on the top of the housing body to ensure a watertight seal. Transparent housing body allows visually to determine when filter should be cleaned. Well-matched following systems: ispring wsp-50, beduan 1kl-08500-prefilter, garosa, rusco/vu-Flow 1 NT100-100P, hqmpc hq-180za-50, WSP50ARB, wsp-100, SETEN WF-188.
BrandRonaqua #ad
ManufacturerRonaqua #ad
Height8 Inches
Length4 Inches
Weight2 Pounds
Width3 Inches
Part NumberRA-PRF