reticulated foam
Worth a lookShows a sweet-spot price point ($36.73 avg), but a small market ($58K/yr) keeps it on the watch list.
Avg price
Incredible$36.73avg listing price — sweet spot $15–$100
Returns
Great1.2%return rate — above 6% kills the launch gate
Price range
Great$2.56–$109.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good546.73avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Growth
Okay+19.3%90-day search growth — must beat 0% to launch
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Market size
Bad$58K$58K/yr · 68K searches
According to Flapen's Amazon United States niche tracking, reticulated foam is a $58K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 53/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
reticulated foam market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $73K–$92K
- units × avg price
- Launch success
- —
- 0 of 2 new (360d)
- Conversion rate
- 2.3%
- Avg BSR
- #546
- Page quality
- 0%
- Prime
- 88%
- Sponsored
- 69%
- Out of stock
- 4.7%
- Avg brand age
- 52 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
25
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
55%
Top 20: 94%
Open market
17%
- GUTTERSTUFF44%
- ALEGI23%
- Frost King5%
- AQUANEAT4%
- koxuyim3%
- Borlech3%
- Open — no brand owns it (10 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 84 weeks — +19.3% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 1.7×
Top reticulated foam search terms
- gutter foam23K/yr
- foam filter material12K/yr
- reticulated foam11K/yr
- gutter guard foam4K/yr
- sponge pad5K/yr
- coarse filter foam3K/yr
- 30 ppi filter foam5K/yr
- foam gutter guard inserts4K/yr
- foam gutter guard2K/yr
- gutter foam inserts wedge391/yr
Top reticulated foam 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 26 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ALEGI Aquarium Sponge Filter Pad Bio Filter Media Foam Sponges Cut-to-Size Foam for Fish Tank (20x20x1 (20PPI))
ALEGI$9.034.7★1,939 rev

GutterStuff Original Gutter Guard - 4-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK432-2
GUTTERSTUFF$64.104.1★794 rev

GutterStuff Original Gutter Guard - 6-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK632-2
GUTTERSTUFF$100.314.1★794 rev

Pro Gutter Guard - 5-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK532-3
GUTTERSTUFF$109.293.9★98 rev

Frost King Air Conditioner Filters 15 in. x24 in. x3/16 in. Open Cell Foam
Frost King$2.564.6★2,599 rev
Newest
by launch date
Foam N More Inc 30 PPI Reticulated Polyurethane Foam Filter Black Automotive Air Filter Noise Suppression Speaker Foam
Foam N' More$15.872 rev

Air Filter Foam Sheet 60 PPI Coarse Polyurethane Foam - Washable Reusable Cut-to-Size Filter for Motorcycle Vacuum Cleaner Air Purifiers Fish Tank Engine Air Filter Replacement (18x12x0.6)
Suacopzar$13.4727 rev

Foam Air Filter Material Replacement for Uni Filter ATV Air Filters- BF-1 BF1 14 X 17 X 5/8 65-PPI Green Fine Foam Sheet Air Filter Pads for Motorcycle ATV Scooters Dirt Bike
Magluv$14.8639 rev

Borlech Aquarium Bio Filter Sponge Pad - Cut-to-Size Aquarium Filter Media for Fish Tank Pond Sump - Mechanical & Biological Filtration (18.5x18.5x0.8 20PPI 1 Pack)
Borlech$8.52773 rev

15.7 x 59 Extra Large Cuttable Air Conditioner Filters - Cut to Fit Carbon Pad Air Purifier Filters Washable Reusable Foam Pad Pre Filter Roll for Air Filters AC Window Unit Charcoal Sheet
MADHOLLY$10.02878 rev
Trending
90-day click momentum
Foam N More Inc 30 PPI Reticulated Polyurethane Foam Filter Black Automotive Air Filter Noise Suppression Speaker Foam
Foam N' More$15.875.0★

Sunrox DryFast Upholstery Foam All-Weather Outdoor Cushion Replacement 3 x 24 x 72 Ultra Durable Low Maintenance Cushion Foam for Outdoor Seat Cushion & Patio Furniture Chair Cushion
SUNROX$78.554.3★

Pro Gutter Guard - 5-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK532-3
GUTTERSTUFF$109.293.9★

ALEGI Aquarium Sponge Filter Pad Bio Filter Media Foam Sponges Cut-to-Size Foam for Fish Tank (20x20x1 (35PPI))
ALEGI$9.024.7★

GutterStuff Original Gutter Guard - 6-Inch K Style Foam Gutter Filter Insert with Year Round Leaf Protection & Easy DIY Installation - GSK632-2
GUTTERSTUFF$100.314.1★
What buyers say about reticulated foam
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent filters”
“great value”
“Overall a great find”
“As advertised”
“Great size”
“Easy to use”
“Help your tank with extra that's easy to clean”
“The thickness is perfect”
“Good it works”
“High Grade Materials”
What buyers complain about
“Thin material”
“Maybe I received a piece that got past quality control”
“If anyone is purchasing this to make your own NutriMill replacement filters, it doesnt work for that”
“Smells of smoke and chemicals”
“What I received was not like the photos”
“Way too flimsy”
“It didn't help at all, if anything; it made my air quality worse so I'm returning it”
“The fit is not perfect”
“spent hours cleaning it”
“good product, not so good instructions”
Top return reasons
Common questions
- Is reticulated foam profitable to sell on Amazon United States?
- The niche generates $58K/yr across 26 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +19.3%. Flapen's verdict: Worth a look (53/100).
- How competitive is the reticulated foam niche?
- 16 brands and 25 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in reticulated foam?
- Top complaints mined from reviews: Thickness, Quality-Overall, Filtration. The return rate is 1.2%.
- When does demand for reticulated foam peak?
- Demand peaks in Oct–Nov; the busiest month runs 1.7× the quietest.
- What does it cost to enter the reticulated foam niche?
- Listings span $2.56–$109.29; the average listing price is $36.73 (sweet spot $15–$100). The average incumbent carries 547 reviews — the moat a new listing must climb.