Hot Springs Spa Filters
FailThe products selling today already average 4.7★, so Hot Springs Spa Filters is a Fail.
- Flapen Score
- 48 / 100Ranks 6,657 of 8,839 Patio, Lawn & Garden niches · −8 vs the category median of 5648
- Market size
- $131K/yr26K searches / yr
- 90-day growth
- +11.8%search demand this quarter
- Competition
- 60%top-5 click share · 13 brands · 19 sellers
Flapen Score
Hot Springs Spa Filters against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Hot Springs Spa Filters is stronger. Inside it, weaker.
Market
The Hot Springs Spa Filters market on Amazon at a glance
Shoppers on Amazon United States searched for Hot Springs Spa Filters 26K times last year and spent an estimated $131K. The top 5 brands take 86% of clicks. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 7.0% of those searches ended in a purchase.
Shoppers searched for this 26K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.0% of those searches ended in a purchase. Searches in the last 90 days moved +11.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $131K a year.
- Searches, last 12 months
- 26K
- Growth, 90 days vs prior 90
- +11.8%
- Conversion, latest week
- 7.0%
- Market size, estimated
- $131Ka year
- Peak month
- May1.7× the quietest month
- Top search term
- hot springs spa filters12K searches a year
02 · Price
A sale here is worth $71.74.
Listings sell for $71.74 on average, from $22.48 to $350.75. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $71.74 that is $7K to $18K a year per listing.
- Average price
- $71.74inside the $15 to $100 sweet spot
- Price range
- $22.48–$350.75
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $7K–$18K
- Returns
- 1.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
84% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.3% of listings are out of stock. The average listing ranks #435 within Filters & Filter Media. It carries 247 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 100%
- Out of stock, average day
- 2.3%
- Average rank
- #435in Filters & Filter Media
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 247per listing
- Listings tracked
- 25
04 · Newcomers
0 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 4
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 31 months
Products
Top Hot Springs Spa Filters products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Hot Spring Watkins Grandee Tri-X Replacement Filter Set of 5-73250
- Price
- $350.75
- Rating
- 4.6/5
- Reviews
- 169
- Age
- 9y ago

REEPLAR PWK35B Replaces Hot Springs Limelight Spa Filters Compatible with Watkins 1642301-1 78161 78286 Filbur FC-3921 Hot Spring Limelight Series Filter Cartridge 35 sq.ft - 2 Pack
- Price
- $54.83
- Rating
- 4.6/5
- Reviews
- 161
- Age
- 3y ago

Hot Spring Spas Tri-X Ceramic Cartridge Filter Single 79435 White
- Price
- $70.17
- Rating
- 4.7/5
- Reviews
- 331
- Age
- 4y ago

AmiBron PWK30 Hot Springs Spa Filters Compatible for Watkins 31489 Unicel C-6430 Filbur FC-3915 P/N0969601 73178 73250 71825 30 sq.ft.Hot Tub Filter 3 Pack
- Price
- $47.86
- Rating
- 4.8/5
- Reviews
- 273
- Age
- 2y ago

Hot Spring Watkins Jetsetter Tri-X Filter Set of 3 73250
- Price
- $211.78
- Rating
- 4.8/5
- Reviews
- 153
- Age
- 9y ago
Trending
estimated 90-day click momentum
DAYEAR SPA Filter Replacement Hot Tub Filter Cartridge 1 Pack for PWK30 C-6430 31489 FC-3915 P/N0969601 71825 73178 73250
- Price
- $22.48
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 6mo ago

TOREAD Watkins 31489 Replacement Filter Compatible Pleatco PWK30 Unicel C-6430 Filbur FC-3915 P/N0969601 71825 73178 73250 30 sq. ft. Hot Spring Spa Filter (5)
- Price
- $72.03
- Rating
- 4.8/5
- Reviews
- 901
- Age
- 2y ago

Ying-ti 3-Pack C-6430 Spa Filter Cartridge for Hot Spring & Most 30 sq.ft. Filters Replaces C-6430 31489 PWK30 FC-3915
- Price
- $34.53
- Rating
- 4.0/5
- Reviews
- 3
- Age
- 10mo ago

POOLPURE PWK35B SPA Filter Replaces Watkins 1642301-1 78161
- Price
- $52.23
- Rating
- 4.9/5
- Reviews
- 37
- Age
- 2y ago

TOREAD PWK35B Replaces Hot Springs Limelight Series Spa Filters Compatible with Watkins 1642301-1 78161 78286 PWK35B Filbur FC-3921 35 sq. ft 2pack
- Price
- $44.62
- Rating
- 4.8/5
- Reviews
- 60
- Age
- 4y ago
Newest
by launch date
DAYEAR SPA Filter Replacement Hot Tub Filter Cartridge 1 Pack for PWK30 C-6430 31489 FC-3915 P/N0969601 71825 73178 73250
- Price
- $22.48
- Rating
- 4.8/5
- Reviews
- 10
- Age
- 6mo ago

AQUIVEX 73178 Hot Springs Tri-x Hot Tub Filter Compatible with Hot Springs Watkins 31489 71825 73178 73250 APC APCC7095 Filbur FC-3915 Pleatco PWK30 Unicel C-6430 4 Pack
- Price
- $54.31
- Rating
- 4.6/5
- Reviews
- 30
- Age
- 9mo ago

Ying-ti 3-Pack C-6430 Spa Filter Cartridge for Hot Spring & Most 30 sq.ft. Filters Replaces C-6430 31489 PWK30 FC-3915
- Price
- $34.53
- Rating
- 4.0/5
- Reviews
- 3
- Age
- 10mo ago

Grefilt 31489 Hot Tub Filter Compatible with Hot Springs Spa Filters PWK30 Unicel C-6430 Filbur FC-3915 71825 73178 73250 P/N0969601 30 sq.ft 3-Pack
- Price
- $43.43
- Rating
- 4.7/5
- Reviews
- 66
- Age
- 1y ago

Grefilt PWK30 Hot Tub Filter Compatible with Hot Springs Spa Filters Watkins 31489 Unicel C-6430 Filbur FC-3915 71825 73178 73250 P/N0969601 30 sq.ft. 5-Pack
- Price
- $68.60
- Rating
- 4.7/5
- Reviews
- 66
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
19
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 95%
Open market
9%
- Hot Spring38%
- AmiBron23%
- REEPLAR14%
- POOLPURE7%
- Grefilt5%
- TOREAD5%
- Open — no brand owns it (7 brands, 9%)
Demand
Hot Springs Spa Filters search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.7×
Search terms
Top Hot Springs Spa Filters search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- hot springs spa filters12K/yr
- hot springs hot tub filters8K/yr
- hotsprings hot tub filters4K/yr
- tri x filters hot springs2K/yr
Reviews and returns
What reviews say buyers love and hate about Hot Springs Spa Filters
We read the reviews and the return reasons for every product selling here.
“hate the price”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Hot Springs Spa Filters questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









