--- product_id: 223981820 title: "Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1\" MNPT + 3/4\" FNPT + 3/4\" MNPT, Traps Sand, BPA Free, WD-RPFK" brand: "waterdrop" price: "S$101" currency: SGD in_stock: true reviews_count: 13 category: "Waterdrop" url: https://www.desertcart.sg/products/223981820-waterdrop-spin-down-sediment-filter-backwash-whole-house-water-filter store_origin: SG region: Singapore --- # 4 versatile connection fittings 50-micron 316L molybdenum alloy filter 600+ psi burst pressure resistant shell Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK **Brand:** waterdrop **Price:** S$101 **Availability:** ✅ In Stock ## Summary > 💧 Spin Down Sediment Filter: Because clean water is the new luxury. ## Quick Answers - **What is this?** Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK by waterdrop - **How much does it cost?** S$101 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/223981820-waterdrop-spin-down-sediment-filter-backwash-whole-house-water-filter) ## Best For - waterdrop enthusiasts ## Why This Product - Trusted waterdrop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Maintenance:** Spin-down backwash function flushes trapped debris in seconds—no tools, no mess, no downtime. - • **Plug & Play Installation:** Multiple fittings (1" MNPT, 3/4" FNPT & MNPT, push-fit) make setup seamless for any well water system without pressure loss. - • **Ultimate Pre-Filter Defense:** Traps sand, rust & sediment before they reach your home’s water system, extending your main filter’s lifespan. - • **Built to Last, Built for Safety:** German-engineered PA12 BPA-free housing with corrosion-resistant brass fittings ensures durability and toxin-free water. - • **Certified Clean Water Assurance:** NSF/ANSI 372 certified and lead-free materials guarantee safe, healthy water for your family and future. ## Overview The Waterdrop Spin Down Sediment Filter WD-RPFK is a robust whole-house pre-filter designed to trap 40-50 micron sediment like sand, rust, and debris. Featuring a durable 316L molybdenum alloy filter and a German-made BPA-free PA12 housing tested to withstand over 600 psi, it ensures long-lasting performance. With versatile fittings and a simple backwash cleaning system, it installs quickly and reduces the load on downstream filters, improving water quality and system longevity. NSF/ANSI 372 certified and lead-free, it’s a smart investment for safe, clean well water. ## Description desertcart.com: Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK : Tools & Home Improvement Review: Exceptional Quality and Comprehensive Installation Kit - A Must-Have! - I recently purchased the Waterdrop WD-RPFK and I must say, it's a standout product in its category! From the moment I unboxed it, the quality was evident. Every component feels sturdy and well-crafted, assuring me that it's built to last. What really sets this installation kit apart is its versatility. The kit comes fully equipped with an array of options that cater to various installation needs. Whether you're a novice DIYer or a seasoned handyman, the instructions are clear and the variety of fittings ensure that it fits seamlessly with different plumbing systems. Installation was a breeze. The kit includes all the necessary tools, and the components fit together perfectly without any hassle. It’s clear that Waterdrop has put a lot of thought into making the setup as straightforward as possible. In use, the system performs exceptionally well. Water quality has noticeably improved, with a significant reduction in contaminants. It's reassuring to know that what we're drinking is clean and safe. Overall, I highly recommend the Waterdrop WD-RPFK to anyone in the market for a reliable and high-quality installation kit. It's not just a purchase but an investment in quality and health. Five stars! Review: Quality filter! - This is a quality product and I suspected it was a soon as I picked up the box. I guess I’m kind of old-school when it comes to plumbing products, if it feels heavy enough to be exhibit A in a murder trial, it’s probably OK. The primary housing is a quality piece of cast brass expertly machined to appropriate standards. It comes with fittings, allowing you to convert it from 1 inch to three-quarter inch and as an extra bonus it comes with two shark bite, three-quarter inch adapters. These easy to use push connectors cost $10 apiece if you go to buy them separately. The ball cock on the bottom serves as an easy clean function, and also will release the pressure on the system in case you want to take it apart to give the filter a more detailed cleaning. The filter is a permanent one made of stainless steel or some closely related alloy. Things you should know; first it’s a clear housing in a high impact quality plastic. This allows you to visually inspect the filter to see if it needs a flushing. However, if it’s in direct sunlight, it can turn into kind of a terrarium, and you’ll get algae growth. You can solve that by draping an old towel over it. The other thing you should know is it’s not really a filter it’s a pre-filter. It is a 50 µm built-in system. It will handle dirt, fine sediment, bits of sand even rust, but it’s not going to take out absolutely everything. Depending on your situation and the quality of water, it might be fine by itself or you might want to follow it with a different system down stream with a 1 or 5 µm filter to really do the job. This prefilter will greatly extend the life of your filtration system. Make those expensive replacement filters last longer. ## Features - 【Your first line of defense】Reduce the workload of your existing water filters with our sediment filter. It is designed to trap impurities and keep them from reaching your home's water supply. - 【Filter out more impurities】Keep your water clean with this spin down whole house filter. It houses a 50-micron 316L molybdenum alloy filter that blocks impurities such as rust or small objects. - 【NSF372 Certified, Safe Materials】NSF/ANSI 372 certified and lead-free, this whole house filter ensures safe, healthy water. The high-grade housing is BPA-free, making it safe for families and babies. The copper fittings are coated with a strong, corrosion-resistant blue nano-coating, which helps prevent the release of harmful metals, ensuring your water stays safe. - 【Stress-free maintenance】Cleaning our whole house water filter system is a breeze. Turn on the backwash function to flush out sediments that have been trapped on the filter screen. - 【Built tough - German-made PA12 shell 】Our spin down sediment filter is designed to last many years. Its heavy-duty plastic housing is housed in a non-BPA, German-made PA12 shell, which has been subjected to rigorous voltage, pressure, explosion, and prolonged water hammer impact tests. It is proven to withstand bursting pressures of more than 600psi and has excellent water hammer resistance. - 【Quick & Easy installation】 Install this Backwash Whole House Water Filter System to your main water supply in minutes. It provides four types of connection fittings (1”MNPT, 3/4”MNPT, 3/4” FNPT and 3/4”push-fit plumbing fittings. NOT FOR 3/4“ garden hose) to fit different water tubes in your family, and it won't affect your existing water pressure levels ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08C7VKR48 | | Best Sellers Rank | #15,877 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #10 in Whole House Water Treatment Systems #488 in Water Coolers & Filters | | Brand | Waterdrop | | Brand Name | Waterdrop | | Capacity | 316 liters | | Container Type | Tube | | Customer Reviews | 4.5 out of 5 stars 1,196 Reviews | | Included Components | Waterdrop Spin Down Sediment Filter System*1 | | Installation Type | Inline | | Item Dimensions L x W x H | 3.78"L x 2.56"W x 7.9"H | | Manufacturer | Waterdrop | | Material | Brass Stainless Steel | | Material Type | Brass Stainless Steel | | Maximum Flow Rate | 20 Gallons Per Minute | | Model Name | WD-RPFK | | Model Number | WD-RPFK | | Operating Pressure Range | 14.5~72 PSI | | Other Special Features of the Product | Backwash Spin Down Sediment Filter, Reduces Sediment | | Part Number | WD-RPFK | | Power Source | Manual | | Product Dimensions | 3.78"L x 2.56"W x 7.9"H | | Purification Method | Sand, Sedimentation | | Smart Home Compatibility | Not Smart Home Compatible | | Special Feature | Backwash Spin Down Sediment Filter, Reduces Sediment | | Supported Water TDS Level Maximum (PPM) | 300 | | UPC | 840814149485 840814194331 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 100 Degrees Fahrenheit | ## Product Details - **Brand:** Waterdrop - **Capacity:** 316 Liters - **Included Components:** Waterdrop Spin Down Sediment Filter System*1 - **Installation Type:** Inline - **Model Name:** WD-RPFK - **Package Information:** Tube - **Power Source:** Manual - **Product Dimensions:** 3.78"L x 2.56"W x 7.9"H - **Purification Method:** Sand, Sedimentation - **Upper Temperature Rating:** 100 Degrees Fahrenheit ## Images ![Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK - Image 1](https://m.media-amazon.com/images/I/71NJ-MAYiGL.jpg) ![Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK - Image 2](https://m.media-amazon.com/images/I/81fhzfmVmGL.jpg) ![Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK - Image 3](https://m.media-amazon.com/images/I/81weWlkqVGL.jpg) ![Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK - Image 4](https://m.media-amazon.com/images/I/81E8ZPnvI3L.jpg) ![Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK - Image 5](https://m.media-amazon.com/images/I/71iOuruf78L.jpg) ## Available Options This product comes in different **Style** options. ## Questions & Answers **Q: Is there different micron grades of replaceable filters? Can small particles block water flow.** A: Hi Nikola, Thank you for your interest in the Whole House Pre-Filtration System. Regarding this issue, the stainless steel filter used in our system does not need to be replaced, and we are developing other micron grades of replacement filters right now and we will inform you when we have launched the new product. Besides, we recommend that you open the flush valve for flushing every 2 weeks for about 10 minutes each time to extend the system service life and improve system filtration performance. If the water quality in your area is poor, it is recommended to rinse once a week, and each rinse time is no less than 10 minutes. If you have any other inquiries, please feel free to contact us at 1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri). Thank you. Kind Regards, Mia Lauren Customer Service Rep **Q: my h20 is extremely irony. i replace my 10:-5 micron paper sediment once a month. is this the right filter for my purpose** A: Hi, A sediment filter is not intended to remove iron, I believe a whole house filter with the correct element and a water softener is more the answer to your problem. My understanding of a sediment filter is to trap particles that get past your pump screen to keep them out of your pressure tank and the rest of your water system. Hope this helps **Q: How does the back-washing function work?** A: Hi Giselle, Thank you for your interest in the Whole House Pre-Filtration System. The system is equipped with a flush valve, when customers turn on the valve, the internal waterways will flush the steel grid mesh backwards. If you have any other inquiries, please feel free to contact us at 1-888-352-3558 (8:00 AM - 5:00 PM PST, Mon - Fri). Thank you. Kind Regards, Mia Lauren Customer Service Rep **Q: Can i install it at a 45 angle or Horizontal?** A: It does not matter at what angle you install it at since one side is in with pressure and the other is out wit negative pressure. YOU CAN PUT IT UPSIDE DOWN IF YOU WANT. Just be sure the in direction is right. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Exceptional Quality and Comprehensive Installation Kit - A Must-Have! *by L***E on May 3, 2024* I recently purchased the Waterdrop WD-RPFK and I must say, it's a standout product in its category! From the moment I unboxed it, the quality was evident. Every component feels sturdy and well-crafted, assuring me that it's built to last. What really sets this installation kit apart is its versatility. The kit comes fully equipped with an array of options that cater to various installation needs. Whether you're a novice DIYer or a seasoned handyman, the instructions are clear and the variety of fittings ensure that it fits seamlessly with different plumbing systems. Installation was a breeze. The kit includes all the necessary tools, and the components fit together perfectly without any hassle. It’s clear that Waterdrop has put a lot of thought into making the setup as straightforward as possible. In use, the system performs exceptionally well. Water quality has noticeably improved, with a significant reduction in contaminants. It's reassuring to know that what we're drinking is clean and safe. Overall, I highly recommend the Waterdrop WD-RPFK to anyone in the market for a reliable and high-quality installation kit. It's not just a purchase but an investment in quality and health. Five stars! ### ⭐⭐⭐⭐⭐ Quality filter! *by R***R on December 12, 2022* This is a quality product and I suspected it was a soon as I picked up the box. I guess I’m kind of old-school when it comes to plumbing products, if it feels heavy enough to be exhibit A in a murder trial, it’s probably OK. The primary housing is a quality piece of cast brass expertly machined to appropriate standards. It comes with fittings, allowing you to convert it from 1 inch to three-quarter inch and as an extra bonus it comes with two shark bite, three-quarter inch adapters. These easy to use push connectors cost $10 apiece if you go to buy them separately. The ball cock on the bottom serves as an easy clean function, and also will release the pressure on the system in case you want to take it apart to give the filter a more detailed cleaning. The filter is a permanent one made of stainless steel or some closely related alloy. Things you should know; first it’s a clear housing in a high impact quality plastic. This allows you to visually inspect the filter to see if it needs a flushing. However, if it’s in direct sunlight, it can turn into kind of a terrarium, and you’ll get algae growth. You can solve that by draping an old towel over it. The other thing you should know is it’s not really a filter it’s a pre-filter. It is a 50 µm built-in system. It will handle dirt, fine sediment, bits of sand even rust, but it’s not going to take out absolutely everything. Depending on your situation and the quality of water, it might be fine by itself or you might want to follow it with a different system down stream with a 1 or 5 µm filter to really do the job. This prefilter will greatly extend the life of your filtration system. Make those expensive replacement filters last longer. ### ⭐⭐⭐⭐⭐ Solid build and works great *by F***E on May 5, 2026* Placed this on one of our yard hydrants so that sand from our well doesn't keep clogging up our sprinklers. Works great and is super easy to clear out sediment with valve on the bottom. Very well built with solid, heavy parts. ## Frequently Bought Together - Waterdrop Spin Down Sediment Filter, Backwash Whole House Water Filter System for Well Water, 40-50 Micron, 1" MNPT + 3/4" FNPT + 3/4" MNPT, Traps Sand, BPA Free, WD-RPFK - Waterdrop Whole House Water Filter System, with Carbon Filter and Sediment Filter, 5-Stage Filtration, Highly Reduce Lead, Chlorine, Odor and Taste, 2-Stage 5 Micron WD-WHF21-PG, 1" Inlet/Outlet - Waterdrop FXHTC AP810 10" x 4.5" Whole House Water Filter, Replacement for GE® FXHTC, 3M® Aqua-Pure AP810, Culligan® RFC-BBSA, W50PEHD, GXWH40L, GXWH35F, DuPont WFHD13001, Pentek® R50-BB --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/223981820-waterdrop-spin-down-sediment-filter-backwash-whole-house-water-filter](https://www.desertcart.sg/products/223981820-waterdrop-spin-down-sediment-filter-backwash-whole-house-water-filter) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-07-07*