culligan ac-30 replacement filters
Skip itA concentrated shelf (top 5 take 85% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$42.45avg listing price — sweet spot $15–$100
Price range
Great$17.34–$102.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Review moat
Good625.27avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Bad$88K$88K/yr · 36K searches
Brand share
Bad91%top-5 brand share — brand-locked demand
Growth
Bad-7.6%90-day search growth — must beat 0% to launch
Competition
Bad85%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, culligan ac-30 replacement filters is a $88K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 43/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
culligan ac-30 replacement filters market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $64K–$85K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #1,073
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 82%
- Out of stock
- 8.3%
- Avg brand age
- 91 months
- Avg seller age
- 140 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
50
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
6%
- IPW Industries Inc37%
- WUHUFILTRA20%
- FILSADAE15%
- APPLIED MEMBRANES INC.14%
- Culligan6%
- Smart Pack Water Filters3%
- Open — no brand owns it (2 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.6% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 2.5×
Top culligan ac-30 replacement filters search terms
- culligan aqua cleer filters8K/yr
- culligan reverse osmosis filters8K/yr
- culligan ac-30 replacement filters6K/yr
- culligan ac30 replacement filters4K/yr
- culligan ro filters replacement3K/yr
- culligan reverse osmosis replacement filters3K/yr
- culligan ac 30 replacement filters4K/yr
Top culligan ac-30 replacement filters 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Replacement Filter Set for Culligan AquaCleer AC-30 RO System 4-Pack Cartridges & Membrane (Filters Only No Housings)
IPW Industries Inc$44.764.4★783 rev
Culligan Compatible Full Replacement Filter Set With Membrane for AC-30 Reverse Osmosis System
WUHUFILTRA$47.194.1★106 rev
FILSADAE Replacement Filter Set With Membrane for Culligan AC-30 Reverse Osmosis System
FILSADAE$46.304.2★220 rev
Applied Membranes Inc Replacement Filter Set for Culligan AC-30 RO System - Includes RO Membrane Carbon Sediment and Post Filters
APPLIED MEMBRANES INC.$52.204.3★79 rev
Culligan RC-EZ-4 Premium Water Filtration Replacement Cartridge for Under-Sink Refrigerator & RV Systems - EZ Change Water Filter System (500 Gallon Life)
Culligan$45.534.7★2,103 rev
Newest
by launch date
Culligan RC 1 EZ-Change Basic Water Filtration Replacement Cartridge 3 000 Gallons Multi
Culligan$17.342,018 rev
Compatible with Culligan AC-30 Reverse Osmosis Replacement Pre Sediment/Carbon Block Filter Set
WUHUFILTRA$19.6710 rev
Culligan AC-30 Replacement Filters Kit with RO Membrane Compatible with Culligan AC-30 4-Stage Reverse Osmosis System AC-30 Filter Replacement Set Sediment Carbon & Post Filter
ESP Water Products$102.741 rev
Culligan Compatible Full Replacement Filter Set With Membrane for AC-30 Reverse Osmosis System
WUHUFILTRA$47.19106 rev
Culligan Compatible AC 30 Reverse Osmosis(RO) System Replacement Pre-Filter Set With Membrane
WUHUFILTRA$41.8334 rev
Trending
90-day click momentumCulligan RC-EZ-4 Premium Water Filtration Replacement Cartridge for Under-Sink Refrigerator & RV Systems - EZ Change Water Filter System (500 Gallon Life)
Culligan$45.534.7★
AQUA CREST RC EZ 1 Water Filter Replacement for Culligan RC-EZ-1 2 Pack
AQUA CREST$26.644.6★
Compatible with Culligan AC-30 Reverse Osmosis Replacement Pre Sediment/Carbon Block Filter Set
WUHUFILTRA$19.673.6★
Culligan AC-30 Replacement Filters Kit with RO Membrane Compatible with Culligan AC-30 4-Stage Reverse Osmosis System AC-30 Filter Replacement Set Sediment Carbon & Post Filter
ESP Water Products$102.745.0★
Applied Membranes Inc Replacement Filter Set for Culligan AC-30 RO System - Includes RO Membrane Carbon Sediment and Post Filters
APPLIED MEMBRANES INC.$52.204.3★
What buyers say about culligan ac-30 replacement filters
What buyers praise and complain about, mined from review topics.What buyers love
“Great filter at a good price”
“No complaints as did the job”
“Good price”
“Fit well”
“Seems working what it should be doing”
“Works great”
“Easy to install”
“Excellent easy-to-use”
“Luckily my fiance knows how to replace them so we dont have to go through Culligan for maintenance”
“easy to change”
What buyers complain about
“Guess its just a bunch of BS for a filter”
“Small filter did not fit”
“Zero quality control”
“Not at all what they are advertised”
“Broken before pulling them out of the bag”
“it does NOT fit the Dupont three-stage filter system”
“Not inexpensive,”
“6 leaks”
“The glue holding the inlet caps didn't hold”
Top return reasons
Common questions
- Is culligan ac-30 replacement filters profitable to sell on Amazon United States?
- The niche generates $88K/yr across 11 tracked products. 90-day search growth is -7.6%. Flapen's verdict: Skip it (43/100).
- How competitive is the culligan ac-30 replacement filters niche?
- 8 brands and 50 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in culligan ac-30 replacement filters?
- Top complaints mined from reviews: Filtration, Size-Overall, Quality-Overall. The return rate is 2.1%.
- When does demand for culligan ac-30 replacement filters peak?
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the culligan ac-30 replacement filters niche?
- Listings span $17.34–$102.74; the average listing price is $42.45 (sweet spot $15–$100). The average incumbent carries 625 reviews — the moat a new listing must climb.