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iSpring WSP-50 Reusable Whole House Spin Down Sediment Water Filter, 50 Micron Flushable Prefilter Filtration WSP50, 1″ MNPT + 3/4″ FNPT, Lead-Free Brass

(9 customer reviews)

Rated at 50 micron. Ideal frontier water filter protecting your entire plumbing system from sediment, rust, dirt, sand, and large particles. NOTE: Screens with 50 or 100 microns may be clogged very soon for water with high sediment content. Contact us for screen replacement in different size
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
Solid lead-free brass machine head with stainless steel mesh filter screen that usually lasts 1 – 2 years
Easy installation with double threads: 1-inch MNPT and 3/4 inch FNPT on both ends, garden hose barb fitting on flush out valve. See-through housing provides easy visual monitoring
40 – 100F, 20 – 100 psi, for indoor use only


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SKU: B072YVNRZN Category:

The WSP-50 spin down sediment filter is ideal for filtering out course sediment larger than 50 micron. The stainless steel screen makes the flushing and cleaning process very simple, allowing flushing of the contaminants through the bottom of the filter when the cartridge begins to get clogged. This allows the stainless steel filter cartridge to be used over and over again without needing to be replaced. The 1 inch outlet MNPT fitting provides a maximum 20 gpm flow rate, and the WSP-50 also features 3/4 inch NPT threads on the inlet and outlet. Specifications: Mesh pore rating: 50 micron Dry weight: 1 lb. Dimensions: 3. 5″ width x 9″ height Suitable temperature range: 40 – 100 °F Suitable pressure range: 20 – 90 psi

Specification: iSpring WSP-50 Reusable Whole House Spin Down Sediment Water Filter, 50 Micron Flushable Prefilter Filtration WSP50, 1″ MNPT + 3/4″ FNPT, Lead-Free Brass

Weight 1 lbs
Dimensions 3.5 × 3.5 × 9 in

9 reviews for iSpring WSP-50 Reusable Whole House Spin Down Sediment Water Filter, 50 Micron Flushable Prefilter Filtration WSP50, 1″ MNPT + 3/4″ FNPT, Lead-Free Brass

4.9 out of 5
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  1. Redpineapple

    Good product and much sturdier than the rukus spin down filter that is made of pure plastic and PVC. Just google spin down filter hammer knock and see how quickly you can have a bad day if this fails. As others have said the demonstration video is WRONG and they installed the filter in the wrong orientation. The narrow point of the triangle / arrow is the OUTPUT on the water flow. Even the paperwork and diagrams that come with this filter is WRONG. The words 123FILTER as read is the water flow direction. =====> A few notes and takeaways on the install. #1. Use at least 20 rounds of Teflon tape for this installation. Mine had a slow micro drip (one drip every 10 mins or so) #2 use 2 pipe wrenches when installing the connections…. one on each side to get enough torque on this #3 each home piping is different but I suggest sharkbite fittings for this (mine were 1 inch female to have the most possible flow rate ) #4. Go buy yourself some 1/2 inch plastic tubing for this filter. I have mine going directly into my sup pump so I don’t need to get a bucket to drain this. #5. Plan ahead on your install of this. I suggest putting this filter BELOW your water filters so if you shut off the water to the bypass you can open this valve and drain your entire stack. I had my water come in under the filters and Put this in place before the bend up to the 3 stage filters. #6. The water filter “shakes” side to side during high flow rate which seems odd. I ended up draining and checking the gasket seal and it’s fine, but it seems odd. Overall I’m happy for the price. Just plan ahead for easy flushing and over use the Teflon tape (at least 20 turns on the threads ) . The biggest hurdle was how the documentation left me questioning the install and water flow. Hopefully they update their paperwork and redo their video install. See my included images for more detail.Read more

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  2. Allen D. Reinecke

    Please also see my review of the iSpring WGB22BM system that this works with for some installation details. However, this works great at filtering out the large particles. You can easily see the sediment in the bottom of the glass bowl and opening the drain valve will flush the gunk out and be ready for another week or so, depending upon the level of contamination. UPDATE: After a month, I have a better understanding of how to best use this. Our well water has a lot of sediment and after leaving the WSP-50 strainer for a week, the water pressure was noticeably down, observed when running more than one faucet at a time. The mesh was coated with a fine reddish (iron) sludge. I removed it and carefully washed the mesh and the bowl with dish liquid and a sponge. Once clean and replaced, the water pressure was fine. I now back flush it daily and only had to disassemble and clean it once in 3 weeks or so. I consider this stage an essential component in a filtration system to help lengthen the life of the main filter elements.Read more

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  3. Caitlin B

    My well pushes up a lot of sediment, enough that I have a noticable loss of water pressure after 3 – 4 weeks. I wouldn’t mind having to replace filters every few weeks normally, but all of the plumbing for my well is in a fairly tight crawl space. I decided to give this spin down filter a shot in an attempt to extend the life of my other filters, and save myself a few trips under the house. First impressions were that the filter seems to well made, which was one of the reasons I chose this one over other PVC options. The install was simple, however I do recommend using better teflon tape than what is provided in the box. I had very small leaks on the first two attempts at installing with the provided tape. Heavier duty tape solved that issue. The filter does its job at catching sediment before it hits my other filter and hot water heater. However, with such a small filter and bowl, it seems likely that this will clog up fairly quickly if not regularly flushed. With it being in my crawl space, I was not excited about having to manually flush it every couple of days. I hooked the flush valve up to a cheap automatic sprinkler timer, and set it to flush once every 2 days for 15 seconds. So far this has been working well, and my other household filter seems to be much cleaner after a couple weeks. I feel pretty confident that I can get 2 months out of my other filters now. 4 stars because I think a slightly larger sediment screen and bowl would be beneficial for those of us with a lot of sediment. Otherwise, seems to be a great product!Read more

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  4. Fiba

    The unit seems to be constructed well with good materials. I like the dual thread option; we used the 1″ MNPT. It has been collecting quite a bit of sediment since we put it in service. Flushing every couple days the first week and then once a week. [edit] The unit has now been in use for about six months. My daughter and son-in-law are now living at the house where we installed this but I believe that they are not needing to flush this even once a week. Of course, frequency of flushing is a function of the water coming in and not really a function of the filter itself. The filter is catching everything above what is plausibly 50 microns. That is, there is very fine sediment collected when it was flushed. My previous concern was finding replacement screens. They are now available here on Amazon (although slightly pricey — about 1/3rd the cost of the unit), so I am very pleased with unit. Very good materials and functionality. Note: most of the sediment flushes out nicely, but the fine particles just larger than 50 microns could clog the screen. A soft-bristle brush (e.g., soft toothbrush) can help with this somewhat, but of course can jam particles even more firmly in the filtration holes so you want to be gentle.Read more

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  5. joe leiberman

    No hay sistema de Purificación de agua completo sino ya lleva este filtro. En verdad te ahorra, en filtros de 10 y 5 micras. Además que puedes darte cuenta, de la calidad del agua de tu sistema de purificación.Read more

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  6. nell

    We bought the 50 micron prefilter and we are still troubleshooting as we just installed it a month ago and cleaned it yesterday for first. Wow it wasfull of rust sediment as we had lost alot of water pressure, trick is to clean often and now ordering a 100 size micron to install before this one to help with our pressure. We are on drilled well and rust is main issue. The product is very well built with brass as well,,hubby was happy. Will keep updates!Read more

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  7. Amazon Customer

    Bought item to use in house whose well has a lot of manganese particles than continually plug up faucet and washing machine screens. Wasn’t sure which micron size to go with for our requirements, so chose the 50 micron size. Installed using SharkBite flex hose fittings into the supply line. So far so good. Can see sediment floating through the clear plastic cone. Flushing operation seems to work great. The flushing valve (unit) can be rotated 360° so that the handle is easily accessible from any direction. The company has videos online that you can view to assist in understanding the function and installation of the unit. Am optimistic that this filter will alleviate the frustrations in dealing with the particles in our water supply. Unit was shipped from Amazon using Dynamex delivery service. Always get either on time or early delivery with this service.Read more

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  8. Alexander Mozgovenko

    This filter is installed on the main water inlet from an artesian well. We get a lot of iron/rust in water, but this filter gets rid of it well. The convenient cleaning faucet is easy to use. We have to flush it once every couple of weeks. We spoke with Nick from customer service regarding getting another cartridge, just in case we’ll need it in the future and he was very efficient at getting us our answers.Read more

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  9. Amazon Customer

    It was to our surprise that such a unit even existed . What a great invention! Several years ago we installed a whole house water filter system. After we read about the ISO filter and how this unit can extend the use of the whole house water carbon & sediment filters we thought we would go ahead and order it. We purchased the iSpring WSP-50 We are happy to have done so. The unit is small, very good quality, well made solid brass metal with a slightly thick acrylic smoke grey colored housing. And it’s quick and very simple for any plumber to install. Most of all it is effortless to clean and maintain. Because I had a few questions regarding the filter (called the screen) I contacted the company iSpring and had the pleasure to speak to Nick. He was very friendly, extremely knowledgeable and provided the best customer support ever. We installed the unit a week ago and already put it to the test by performing the first cleaning. We are very happy with the performance and very happy with our purchase. I just wish we would have known about this filter sooner. The maximum rating is five stars ***** but the company and Nick merit more. Thank You! And thank you to Amazon as well.Read more

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    iSpring WSP-50 Reusable Whole House Spin Down Sediment Water Filter, 50 Micron Flushable Prefilter Filtration WSP50, 1″ MNPT + 3/4″ FNPT, Lead-Free Brass
    iSpring WSP-50 Reusable Whole House Spin Down Sediment Water Filter, 50 Micron Flushable Prefilter Filtration WSP50, 1″ MNPT + 3/4″ FNPT, Lead-Free Brass


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