---
product_id: 302500854
title: "Waterdrop Backwash Spin Down Sediment Filter - Whole House Pre-Filtration System, 50-Micron, 1\" MNPT + 3/4\" FNPT, Traps Rust, Dust, Sand, BPA Free, Heavy Duty 316L Molybdenum Alloy Build"
brand: "waterdrop"
price: "₨85147"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/302500854-waterdrop-backwash-spin-down-sediment-filter-whole-house-pre-filtration
store_origin: LK
region: Sri Lanka
---

# 50-Micron Filtration Precision Backwash Spin Down Technology 316L Molybdenum Alloy Build Waterdrop Backwash Spin Down Sediment Filter - Whole House Pre-Filtration System, 50-Micron, 1" MNPT + 3/4" FNPT, Traps Rust, Dust, Sand, BPA Free, Heavy Duty 316L Molybdenum Alloy Build

**Brand:** waterdrop
**Price:** ₨85147
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your water game—because clean water is the new luxury.

## Quick Answers

- **What is this?** Waterdrop Backwash Spin Down Sediment Filter - Whole House Pre-Filtration System, 50-Micron, 1" MNPT + 3/4" FNPT, Traps Rust, Dust, Sand, BPA Free, Heavy Duty 316L Molybdenum Alloy Build by waterdrop
- **How much does it cost?** ₨85147 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/302500854-waterdrop-backwash-spin-down-sediment-filter-whole-house-pre-filtration)

## 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

- • **Certified Clean Water:** NSF-certified for trusted performance and BPA-free materials for safe, pure water.
- • **Effortless Maintenance:** Backwash spin down design lets you flush out trapped debris quickly—no filter replacements needed.
- • **Whole-House Protection:** Inline installation safeguards your entire water supply, reducing wear on downstream filters.
- • **Precision Sediment Defense:** 50-micron filter traps rust, sand, and dust before they reach your home’s water system.
- • **Industrial-Grade Durability:** Heavy-duty 316L molybdenum alloy ensures long-lasting corrosion resistance and strength.

## Overview

The Waterdrop Backwash Spin Down Sediment Filter is a robust whole-house pre-filtration system featuring a 50-micron 316L molybdenum alloy filter. Designed to trap rust, sand, and dust, it reduces sediment load on your water system with an easy-to-maintain backwash spin down mechanism. Certified NSF and BPA-free, it supports up to 20 GPM flow and fits standard 1" MNPT + 3/4" FNPT connections, delivering durable, high-performance water filtration for city or well water.

## Description

Waterdrop Backwash Spin Down Sediment Filter - Whole House Pre-Filtration System, 50-Micron, 1" MNPT + 3/4" FNPT, Traps Rust, Dust, Sand, BPA Free, Heavy Duty 316L Molybdenum Alloy Build

## Features

- Backwash Spin Down Sediment Filter
- Reduces Sediment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Waterdrop |
| Special Feature | Backwash Spin Down Sediment Filter, Reduces Sediment |
| Product Dimensions | 9.6L x 6.5W x 20.1H Centimeters |
| Package Information | Tube |
| Installation Type | Inline |
| Power Source | Corded Electric |
| Item Weight | 2.6 Pounds |
| Model Name | WD-RPFK |
| Maximum Flow Rate | 20 Gallons Per Minute |
| Operating Pressure Range | 14.5~72 PSI |
| UPC | 840814149485 840814194331 |
| Manufacturer | 0 |
| Model number | WD-RPFK |
| Item Weight | 1 kg 180 g |
| Item model number | WD-RPFK |
| Are batteries included? | No |
| External Certification | NSF |

## Product Details

- **Brand:** Waterdrop
- **Special Feature:** Backwash Spin Down Sediment Filter, Reduces Sediment
- **Product Dimensions:** 9.6L x 6.5W x 20.1H Centimeters
- **Package Information:** Tube
- **Installation Type:** Inline

## Images

![Waterdrop Backwash Spin Down Sediment Filter - Whole House Pre-Filtration System, 50-Micron, 1" MNPT + 3/4" FNPT, Traps Rust, Dust, Sand, BPA Free, Heavy Duty 316L Molybdenum Alloy Build - Image 1](https://m.media-amazon.com/images/I/71NJ-MAYiGL.jpg)

## 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.

## 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

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-23*