Waterdrop Replacement for Pur RF-9999 Faucet Water Filter

  • Waterdrop
66 reviews


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Key Feature

  • Uses premium natural activated carbon block.
  • Removal rate of chlorine up to 99%.
  • Stronger water flow without compromising filtration effect.
  • Uses food-grade, lead-free and BPA-free material.
  • Provides 3 months or 100 gallons of refreshing water.
  • Compatible Models: Pur RF-9999 Faucet Replacement Water Filter.
  • Please note this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. Waterdrop is an independent brand.

Waterdrop Replacement for Pur RF-9999 Faucet Water Filter

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Waterdrop Replacement for Pur RF-9999 Faucet Water Filter

Model number
Filter capacity
100 gallons (379 liters) / 3 months
Chlorine, bad taste and odor, cysts, rust, corrosion, sediment, and turbidity.
Compatible with
Interchangeable with PUR RF-9999 water filter; Fits for PFM100B, PFM450S, FM-3333, FM-9400B, FM-3700B, FM-2000B, FM-9000B, FM-4000B, FM-4100B, FM-2500V, FM-3400B, PFM350V; Waterdrop RF-9999; AQUACREST RF-9999; Waterspecialist RF-9999; FilterLogic RF-9999
Do I need to remove the filter prior to descaling equipment?
Yes, remove filter prior to descaling and inspect for integrity if needed replace with a new filter.
Why are there black specks in the water or why does my water taste funny?
Water filters are made from the purest carbon blocks. When the filter ships it bounces around and nocks carbon granules loose from the block. These little carbon granules are called fines. All of the quality filters in the market place require a preliminary flushing to reduce the carbon fines Some systems may need to be flushed more than once. This is especially true if you have scale or lime water. If you go on vacation and do not use your filtered water for several days, flush the systems again to reduce any stagnant water.
If I do not change my filter every 3 months, can this damage the system?
Yes, you must replace the filter every 3 months or sooner if water flow is reduced or if there is heavy sediment/rust present. Filters left in longer will fatigue, degrading filter performance.
Supreme Filtration
Supreme Filtration
  • The faucet filter reduces chlorine to improve the water taste.
  • It also filters out impurities like sand, sediment, rust, etc.
Excellent Filter Media
  • Activated carbon block made from Sri Lankan coconut shell ensures high adsorption rate of chlorine, organic matter, taste and odor.
  • The filter is made from food-grade, lead-free, and BPA-free material so that the product is safe to use.
FExcellent Filter Media
Fast Water Flow
Fast Water Flow
  • With a water flow of 0.5 GPM, you can enjoy pure and healthy water anytime you want!
Horizontal System
Vertical System
Twist top cover off
Insert filter in to the decice (Don't worry.the filter will fit lossely)
Repace top cover
*Some of the reviews are synchronized from Amazon.com/ WaterdropDirect Store
Customer Reviews
4.7 Based on 66 Reviews
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Filter Reviews:
Water filters

Good value easy to install makes water clean and pure

Gets the job done

Price was right,Installs easy,the taste is ok but a huge difference when comparing to unfiltered water. I have been buying this brand for years now and highly recommend it

Vanessa S.
Great product

I like it better than the pur filter. Great value.

Just what every house needs not to drink lead

Way cheaper than local stores shipped fast and just as good will buy 6 pack next time...a discount would be nice even tho the price is pretty good considering.

It works!

Tucson's water is not palatable to me. It is very alkaline. The Pur filter turns it into great water. Before I installed the Pur filter I was going through a coffee pot every 6 months. I'm using the same coffee pot for going on 2 years.

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