insinkerator water filter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible19.0%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Avg price
Incredible£36.36avg listing price — sweet spot $15–$100
Price range
Incredible£16.48–£62.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good585.38avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay£108K£108K/yr · 16K searches
Growth
Bad-15.1%90-day search growth — must beat 0% to launch
Competition
Bad92%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, insinkerator water filter is a £108K/yr Amazon United Kingdom market (16K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
insinkerator water filter market data
- Units sold / yr
- 3K–3K
- avg 250–500/product
- Revenue / yr
- £91K–£109K
- units × avg price
- Conversion rate
- 19.0%
- Avg BSR
- #112
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 135 months
- Avg seller age
- 210 days
Competition & brand share
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 rising
Sellers
21
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
92%
Top 20: 100%
Open market
0%
- InSinkErator52%
- Waterdrop38%
- Finerfilters8%
- Maxblue2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top insinkerator water filter 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
InSinkErator F-701R Under Sink Water Filter Tap Water Purifier for Clean Drinking Water Exclusively for Hot Water Tap 454 Litre Capacity 2 Pack
InSinkErator£62.914.7★1,057 rev
Waterdrop Water Filters Replacement for InSinkErator Compatible with InSinkErator Hot Water Tap F701R F-701R 3US-AF01 HC-3300 GN-1100 3M AP3-765S 70020019835 (2)
Waterdrop£26.404.5★1,164 rev
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)
Finerfilters£37.404.6★211 rev
Waterdrop Water Filter Replacement for InSinkErator Compatible with InSinkErator Hot Water Tap F701R F-701R 3US-AF01 HC-3300 GN-1100 HC-1100 3M AP3-765S 70020019835 (1)
Waterdrop£16.484.6★317 rev
Genuine InSinkErator Hot Water Tap filter F-701R (NOT SO CALLED COMPATIBLES) for MODEL HC-1100 & MODEL GN-1100
InSinkErator£45.804.5★134 rev
Newest
by launch date
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 (1 Pack)
Finerfilters£20.83211 rev
Maxblue Water Filters Replacement for InSinkErator Compatible with InSinkErator Hot Water Tap F701R F-701R 3US-AF01 HC-3300 GN-1100 HC-1100 3M AP3-765S 70020019835 (2)
Maxblue£24.65148 rev
Waterdrop Water Filter Replacement for InSinkErator Compatible with InSinkErator Hot Water Tap F701R F-701R 3US-AF01 HC-3300 GN-1100 HC-1100 3M AP3-765S 70020019835 (1)
Waterdrop£16.48317 rev
Waterdrop Water Filters Replacement for InSinkErator Compatible with InSinkErator Hot Water Tap F701R F-701R 3US-AF01 HC-3300 GN-1100 3M AP3-765S 70020019835 (2)
Waterdrop£26.401,164 rev
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)
Finerfilters£37.40211 rev
Trending
90-day click momentum
InSinkErator F-201R Replacement Water Filter Cartridges 2-Pack
InSinkErator£56.414.6★
Waterdrop Water Filters Replacement for InSinkErator Compatible with InSinkErator Hot Water Tap F701R F-701R 3US-AF01 HC-3300 GN-1100 3M AP3-765S 70020019835 (2)
Waterdrop£26.404.5★
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)
Finerfilters£37.404.6★
InSinkErator F-701R Under Sink Water Filter Tap Water Purifier for Clean Drinking Water Exclusively for Hot Water Tap 454 Litre Capacity 2 Pack
InSinkErator£62.914.7★
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 (1 Pack)
Finerfilters£20.834.6★
What buyers say about insinkerator water filter
What buyers praise and complain about, mined from review topics.What buyers love
“Great water filters”
“Value for money”
“Easy to install”
“Just as good as the original branded ones”
“Bargain and perfect fit”
“works very well”
“easy to fit”
“No leaks”
What buyers complain about
“Leak after use”
“found that the filtration is not as good as the genuine filters”
“Did not fit in the space we have, too long”
“really inconvenient”
“Also no good at controlling the flow of water”
“£300 plus labour now”
“Waiting for plumber”
“not the two as stated”
“Where would we be without compatible items i ask myself”
Top return reasons
Common questions
- Is insinkerator water filter profitable to sell on Amazon United Kingdom?
- The niche generates £108K/yr across 8 tracked products. 90-day search growth is -15.1%. Flapen's verdict: Skip it (43/100).
- How competitive is the insinkerator water filter niche?
- 4 brands and 21 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in insinkerator water filter?
- Top complaints mined from reviews: Leak-Proof, Filtration, Size-Overall. The return rate is 0.8%.
- When does demand for insinkerator water filter peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the insinkerator water filter niche?
- Listings span £16.48–£62.91; the average listing price is £36.36 (sweet spot $15–$100). The average incumbent carries 585 reviews — the moat a new listing must climb.