wd-pf-01a plus
Worth a lookShows a sweet-spot price point ($28.93 avg), but brand-locked demand (top 5 brands take 99% of clicks) keeps it on the watch list.
Avg price
Incredible£28.93avg listing price — sweet spot $15–$100
Price range
Great£11.61–£90.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Market size
Good£399K£399K/yr · 242K searches
Growth
Okay+11.8%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad6,819.81avg incumbent reviews — the moat a new listing must climb
Brand share
Bad99%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, wd-pf-01a plus is a £399K/yr Amazon United Kingdom market (242K searches/yr). The top 5 brands hold 99% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
wd-pf-01a plus market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- £362K–£434K
- units × avg price
- Conversion rate
- 5.7%
- Avg BSR
- #16
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 189 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
6 rising
Sellers
12
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
47%
Top 20: 93%
Open market
0%
- Waterdrop86%
- GN3D4%
- VILLAPOOL3%
- Kigniote3%
- GOEDEKE3%
- ZaKaBox1%
- Open — no brand owns it (0%)
Top wd-pf-01a plus search terms
- waterdrop filter125K/yr
- water drop filter33K/yr
- waterdrop filter cartridge32K/yr
- waterdrop filter replacement10K/yr
- waterdrop water filter10K/yr
- water drop filter cartridges8K/yr
- waterdrop filters7K/yr
- wd-pf-01a plus5K/yr
- waterdrop replacement filters4K/yr
- water filter waterdrop3K/yr
Top wd-pf-01a plus products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share![[Original] Waterdrop WD-PF-01A Plus Replacement Filters for All Waterdrop Jug Filtration System Last Up to 3 Months 757 Liters NSF Certified (Pack of 2)](https://m.media-amazon.com/images/I/41uxBbpG4RL.jpg)
[Original] Waterdrop WD-PF-01A Plus Replacement Filters for All Waterdrop Jug Filtration System Last Up to 3 Months 757 Liters NSF Certified (Pack of 2)
Waterdrop£20.724.7★10,777 rev
Waterdrop 10UA Under Sink Water Filter 11000 gallons High Capacity Water Filter System NSF/ANSI 42 Certified Reduce PFAS PFOA/PFOS Reduce Lead Chlorine Bad Taste Odor
Waterdrop£49.134.5★12,980 rev
Waterdrop WD-EDF Replacement Filters for Waterdrop Instant Water Filter Jug WD-ED01 WD-ED02 WD-ED04 Last Up to 3 Months or 757 litres (Pack of 3)
Waterdrop£30.624.7★2,288 rev
Waterdrop Water Filter Tap Stainless-Steel Water Filter for Tap Water Tap Filter Reduces Chlorine Odor and Bad Taste - (1 Filter Included)
Waterdrop£29.344.4★3,301 rev
![[Original] Waterdrop WD-PF-01A Plus Replacement Filters for All Waterdrop Tank Filtration System NSF Certified Last Up to 3 Months or 757 L (Pack of 3)](https://m.media-amazon.com/images/I/410HrPMkOzL.jpg)
[Original] Waterdrop WD-PF-01A Plus Replacement Filters for All Waterdrop Tank Filtration System NSF Certified Last Up to 3 Months or 757 L (Pack of 3)
Waterdrop£27.284.7★10,777 rev
Newest
by launch date
2 Pcs Replacement Water Filter for Waterdrop WD-PF-01A Plus NSF Certified Water Filter Cartridges Compatible with All Waterdrop Pitcher Filtration System Reducing Chlorine Impurities and Metals
GOEDEKE£14.9015 rev
VILLAPOOL 4 Replacement Water Filter for Waterdrop WD-PF-01A Plus Water Filter Cartridges Compatible with All Waterdrop Tank Filtration System NSF Certified reducing impurities Chlorine and Metals
VILLAPOOL£22.8019 rev
ZaKaBox 4 Pack Replacement Water Filter Cartridge for Waterdrop WD-PF-01A Plus Compatible with WD-WFD-24/40 WD-PT-04/05/07 5-Stage Pitcher Filter with Coconut Carbon & Carbon Fiber Lasts 3 Months
ZaKaBox£21.429 rev
2 Pack WD-PF-01A Plus Water Filter for All Water-Drop Pitcher Filtration System Water Filter Cartridges Replacement Compatible with Water-Drop WD-PF-01A Plus Reduces Chlorine Impurities and Metals
Kigniote£14.2056 rev
4 Replacement Water Filter for Waterdrop WD-PF-01A Plus Water Filter Cartridges Compatible with All Waterdrop Tank Filtration System NSF Certified reducing impurities Chlorine and Metals
GN3D£21.54159 rev
Trending
90-day click momentum2 Pcs Replacement Water Filter for Waterdrop WD-PF-01A Plus NSF Certified Water Filter Cartridges Compatible with All Waterdrop Pitcher Filtration System Reducing Chlorine Impurities and Metals
GOEDEKE£14.903.9★
Waterdrop Instant Electric Water Filter Jug with a 3-Months Filter WD-ED61B 3.5L Countertop Water Filter System Reduce 98% Chlorine and 20+ Contaminants Blue (NOT Reduce TDS)
Waterdrop£32.884.6★
VILLAPOOL 4 Replacement Water Filter for Waterdrop WD-PF-01A Plus Water Filter Cartridges Compatible with All Waterdrop Tank Filtration System NSF Certified reducing impurities Chlorine and Metals
VILLAPOOL£22.804.6★
ZaKaBox 4 Pack Replacement Water Filter Cartridge for Waterdrop WD-PF-01A Plus Compatible with WD-WFD-24/40 WD-PT-04/05/07 5-Stage Pitcher Filter with Coconut Carbon & Carbon Fiber Lasts 3 Months
ZaKaBox£21.424.7★
2 Pack WD-PF-01A Plus Water Filter for All Water-Drop Pitcher Filtration System Water Filter Cartridges Replacement Compatible with Water-Drop WD-PF-01A Plus Reduces Chlorine Impurities and Metals
Kigniote£14.204.4★
What buyers say about wd-pf-01a plus
What buyers praise and complain about, mined from review topics.What buyers love
“Great water filter”
“Good product exactly as described”
“much cheaper”
“Easy fit”
“Just what I wanted”
“Ease of use”
“Easy installation”
“do the job”
“Yes the waterproof case is absolutely fantastic it works great on my one it fit it good and I will definitely be spreading the word about it no leaks perfect fit and size”
“Durable”
What buyers complain about
“Horrible filter”
“Too big to fit in properly”
“Not really compatible- needs blue adapter”
“Dont buy cheap”
“Doesnt activate the blue light”
“Very poor quality”
“not very durable”
“Manual difficult to read”
“Product arrived and was slightly leaky”
“the water does not come through the filter”
Top return reasons
Common questions
- Is wd-pf-01a plus profitable to sell on Amazon United Kingdom?
- The niche generates £399K/yr across 26 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Worth a look (53/100).
- How competitive is the wd-pf-01a plus niche?
- 6 brands and 12 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in wd-pf-01a plus?
- Top complaints mined from reviews: Filtration, Size-Overall, Compatibility-Overall. The return rate is 1.9%.
- What does it cost to enter the wd-pf-01a plus niche?
- Listings span £11.61–£90.48; the average listing price is £28.93 (sweet spot $15–$100). The average incumbent carries 6,820 reviews — the moat a new listing must climb.