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Waterdrop

Waterdrop Mega Spin Down Sediment Filter, Reusable Whole House Water Filter System for City Water, Backwash Sediment Water Filter System, 100 Micron+5 Micron PP Filter, 1" MNPT + 3/4" FNPT, BPA Free

Based on 535 reviews
Condition: New
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$169.99
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Oct 29
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At a glance

Condition
New
Set
Mega PP Filter
Model
WD-BG100
Capacity
4.9 lb
Dimensions
6.9"L x 5.7"W x 15.9"H
Weight
2.53 lb
Material
Brass, Polypropylene, Stainless Steel
In the box
Mega Spin Down Sediment Filter*1PP cotton filter*1Instruction Manual*1

Features 5

  • 2-in1 Composite Design Experience the innovative composite whole house water filter with our 2-in-1 solution, expertly combining a pre-filter and whole-house system to reduce sediment, rust, dirt, sand, silt, large particulates with high efficiency.
  • Supersize DesignThis spin down whole house water filter has a 6.9" x 5.7" x 15.9" large size for superior impurities capacity, delivering a consistent 20 GPM flow rate. Innovative design reduces clogging and supports easy manual backwash, making effortless maintenance.
  • Simple MaintenanceThe whole house water filter features 100 micron steel mesh and 5 micron PP cotton filter. And it is suitable for well water and municipal water use. Meanwhile,the visible design body makes it easy to monitor filter life and simple maintenance.
  • NSF/ANSI 372 CertifiedThe water filter system is certified by NSF/ANSI 372 for lead-free materials to make your water safety.Built with durable materials, our water filter system has passed 100,000+ water hammer tests and low temp resistance to resist harsh environments.

Specs 24

Brand Waterdrop
Special Feature 2-in1 Composite Design, Backwash Sediment Water Filter, Sediment reduction
Product Dimensions 6.9"L x 5.7"W x 15.9"H
Material Brass, Polypropylene, Stainless Steel
Capacity 4.9 Pounds
Package Information Cartridge
Installation Type Under Sink
Purification Method Sedimentation

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If you place your order now, the estimated arrival date for this product is: Thursday, Oct 29

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Top Amazon Reviews

Great Spin-Down Filter With Minimal Pressure Drop
Set name: 50/100 Micron Filter
I installed the Waterdrop Mega Spin Down Sediment Filter on my whole-house system, and so far it has been working perfectly. The build quality feels solid, installation was straightforward, and the dual 50-micron + 100-micron filtration is a nice upgrade from my old setup. What impressed me most is that there’s almost no noticeable pressure drop — the water pressure before and after the filter is essentially the same, which isn’t always the case with sediment filters. The reusable design and easy backwashing are added bonuses that should make long-term maintenance simple. Overall, I have no complaints. This filter performs well, keeps sediment out of the system, and maintains strong water flow. Highly recommended. ... show more
Reviewed in the United States on December 10, 2025 by Peter Dong
Nifty filter. Works like a charm
Set name: Mega PP Pleated Filter
Great prefilter! I run a water collection tank from the tote through the sediment filter and it really filters well. Easy to install and clean!
Reviewed in the United States on May 4, 2026 by Bart Zieba
Good quality. Poor mount design and poor wrench to change filter.
Set name: Mega PP Pleated Filter
Build quality is very good. Kit includes fittings to adapt it to both 1" and 3/4" Pex adapters. Only complaint is the mounting bracket is not very well designed and it makes it very difficult to use the included wrench to unscrew the filter mounting ring. I am a fairly skilled mechanic and I can't do it without removing the filter from the wall mount and putting it on a work bench. That means I will have to use push fittings for the PEX input and output so I can change filters. I wonder if they included the wrong wrench. It rally sucks. Everything else is very good. ... show more
Reviewed in the United States on October 8, 2025 by mda185
Truly a Great Prefilter.
Set name: Mega PP Filter
Works extremely well. My well is very messy with particles. But this filter catches them a lot. Only problem is that I have to replace these filters twice a month.
Reviewed in the United States on April 5, 2026 by Foyah Freeman
Experimental inline water sediment filter
Set name: 500/200 Micron Filter
A straight forward installation. Solid built. Good quality stainless filter scree. It is early to fully give my complete assessment on this device.
Reviewed in the United States on May 17, 2026 by Albert S.
Excellent sediment filter
Set name: Mega PP Pleated Filter
Filter does a great job supplying water for 2 houses without any decrease in water pressure. Good job filtering sediment particles from the well water.
Reviewed in the United States on March 31, 2026 by Dennis Bazemore
Works, but may need to look into other options
Set name: Mega PP Filter
I was really hoping this could be best 2 in 1 filter to get the larger sediment plus filter out the smaller debris in my well water in a single filter housing for my limited space. I can say that this filter is WELL made - very heavy duty. The bracket is terrible though. I kept having the filter moving slightly while installing all the piping which would dislodge the bracket - so frustrating! I ended up putting a screw above the bracket to not allow it to come up and fall off. Also make sure you get some pipe dope as even when using MANY wraps of thread tape it still had a slow leak. After using the pipe dope no leaks. My old setup - Incoming well water > cold water pressure tank > water softener > to inside lines My new setup - Incoming well water > cold water pressure tank > Waterdrop Sediment (This) filter > water softener > to inside lines My water has a lot of rust, sediment, etc in it. We never had any sort of filter before and didn't really know the 'raw' quality of the incoming water as the water softener was taking care of it. I wanted this filter before the softener because the small brine nozzle frequently clogs up with debris so I was hoping this could solve that. The filter for sure is doing it's job. After a day I can see the larger particles getting trapped by the 100 micron metal mesh filter and the inside 5 micron filter was quite red with sediment. This certainly won't be lasting me more than a month as within 3 days it's already quite dark. Backwashing only really removes the debris from the metal mesh filter, nothing really comes off the inside filter. That brings me to why I can't give it 5 stars... it's not anything relating to the filter itself, more that I didn't do enough homework before purchasing. The inside filter is a non-standard filter and they only make it in the 5 micron size. While they are not terribly expensive, not having the option to go up a micron size (and in my case allowing the water softener to take back some of the work) locks you into replacing them much more frequently when your incoming water supply isn't the best. I emailed the company asking for a larger micron filter option and they don't make one. I'm going to end up swapping this entire filter system out for a different brand that takes universal filters which will allow me the flexibility to try different types and micron sizes to get the best combination for my water. **IF they end up making other filters in the future, I would say it may be a good system as the quality is there. **IF your incoming water supply is very good already, this may be a good one and done option for you as a preventative option for the occasional sediment situations. As-is, I wouldn't recommend this to people on a well. I would say it's more for city water supply usage only. Too bad I'm past the return window as this would certainly be going back at this point. Side note - check Menards for OmniFilter housings and filters as they usually have the best price compared to buying them elsewhere. ... show more
Reviewed in the United States on June 7, 2024 by Ben
Great solution for removing sediment in water
Set name: Mega PP Filter
Was easy to install and set up. Much less residue in our water. Did exactly what I wanted it for.
Reviewed in the United States on April 25, 2026 by Andrew J. Folmer
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