1 / 7Waterdrop WD-3US-AF01 Replacement Water Filter, 2-Pack
Waterdrop WD-3US-AF01 is a two-pack replacement cartridge listed for InSinkErator hot water taps and several related filter models. It uses coconut-shell material, and the listing claims reduction of chlorine, taste, odour and other impurities. Customer feedback is favourable on fitting and filtration for some buyers, but also includes reports of leaks and durability concerns.
At a glance
- The listing names compatibility with InSinkErator F-701R, HC-1100, GN-1100 and HC-3300 systems, among other models.
- Waterdrop claims the carbon-block filter reduces chlorine, taste, odour and other impurities.
- The listed replacement interval is 7571 litres or six months, whichever comes first.
Reference price: £36.99
Price checked: 14 Nov 2026
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Pros and cons
Pros
- Two cartridges are listed, allowing a spare to be kept for the next replacement.
- Customer feedback includes reports of straightforward installation and replacement.
- The listed compatibility range includes multiple InSinkErator hot-water tap models.
Technical specifications
7 specifications| Brand | Waterdrop |
|---|---|
| Model | WD-3US-AF01 |
| Dimensions listed | 8.1D x 8.1W x 26.3H centimetres |
|---|---|
| Weight listed | 1172 Grams |
| Material listed | Coconut Shell |
|---|---|
| Claimed external testing certification | IAPMO |
| Pack quantity | 2 |
What to know before buying
- Compatibility is claimed for the listed models, but the seller describes this as a compatible spare part and says the referenced manufacturers' names and part numbers are for reference only. Confirm the exact system and cartridge fit before ordering.
- The stated replacement guidance is 7571 litres or six months, whichever comes first. Customer feedback is mixed on leakage and includes durability concerns, including reports of damage to InSinkErator hot-water tanks. These are customer reports, not established outcomes for every unit. The listing gives an IAPMO certification claim but no certification scope or contaminant-specific performance figures.
Who is it for?
A good fit for
- Owners of a listed compatible InSinkErator hot-water tap seeking a two-cartridge replacement pack.
- Buyers who want a cartridge whose maker claims chlorine, taste, odour and impurity reduction.
Less suited to
- Buyers who need independently verified contaminant-reduction figures or guaranteed compatibility for an unlisted system.
Customer reviews on Amazon
- 5 stars
75% 75% - 4 stars
16% 16% - 3 stars
4% 4% - 2 stars
1% 1% - 1 star
4% 4%
Customer feedback describes the filter as easy to install and replace, with favourable comments on filtration, water taste and value. Reports are not uniformly positive: leakage experiences differ, and some customers raise durability concerns, including reports of damage to InSinkErator hot-water tanks. For a replacement cartridge, those reports make careful compatibility checks and monitoring after installation particularly relevant. They do not establish that every cartridge will leak or damage a tank.
Positive themes
- Customers report easy installation and replacement, and some describe filtration quality and value favourably.
Negative themes
- Some customers report leaks and durability problems, including alleged damage to InSinkErator hot-water tanks.
Mixed feedback
- Leakage feedback differs, with some customers describing leak-free use and others reporting leaks.
Frequently asked questions
Which systems is this cartridge listed to fit?
The listing names InSinkErator F-701R, HC-1100, GN-1100 and HC-3300, among other related filter models. It is described as a compatible spare, so check your system's exact cartridge requirement before ordering.
How often should the filter be replaced?
The listing advises replacement every 7571 litres or six months, whichever comes first.
What does Waterdrop claim the filter reduces?
The maker claims reduction of chlorine, taste, odour and other impurities. The supplied details do not give contaminant-specific reduction figures.
Alternative options
InSinkErator F-701R Under Sink Water Filter, Tap Water Purifier for Clean Drinking Water, Exclusively for Hot Water Tap, 454 Litre Capacity, 2 Pack
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Finerfilters FF-40 Water Filter Cartridge Compatible with InSinkErator F-701R and F-201R Hard Water Filter to fit Neo Tank Systems with A1 or A3 Head (2 Pack)
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Maxblue Water Filters, Replacement for InSinkErator® F701R, 2 Pack | Compatible with InSinkErator® Hot Water Tap F701R, F-701R, 3US-AF01, HC-3300, GN-1100, HC-1100, 3M AP3-765S, 70020019835
£35.99
Finerfilters FF-40 Water Filter Cartridge Compatible with InSinkErator F-701R and F-201R Hard Water Filter to fit ISE Instant Boiling Hot Tap Systems Using the Neo Tank with A1 or A3 Head (1 Pack)
£24.99
2X AquaHouse AH-3P3 Compatible Filter for InSinkErator Hot Water Tap F701R Water Filter F-701, AP3-765S, HC-1100, GN-1100, HC-3300, HC-3300
£34.99
3 x Finerfilters Insinkerator-Water Filter Compatible- F701R,Fits A1 or A3 Head, Unlike Other Compatibles This Filter Is Guaranteed To Fit Your Existing Insinkerator System, Save £££'S
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