Is pdm28 spa filter profitable to sell on Amazon United States?

The niche generates $37K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +16.6%. Flapen's verdict: Skip it (49/100).

How competitive is the pdm28 spa filter niche?

11 brands and 13 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in pdm28 spa filter?

Top complaints mined from reviews: Value For Money, Ease Of Cleaning, Filtration. The return rate is 1.1%.

When does demand for pdm28 spa filter peak?

Demand peaks in Apr–May; the busiest month runs 1.7× the quietest.

What does it cost to enter the pdm28 spa filter niche?

Listings span $15.89–$45.08; the average listing price is $27.92 (sweet spot $15–$100). The average incumbent carries 224 reviews — the moat a new listing must climb.

pdm28 spa filter

Skip it

A small market ($37K/yr) — this niche doesn't clear our bar today.

Conversion

Incredible19.6%

search→purchase rate — share of searches ending in a sale

Avg price

Incredible$27.92

avg listing price — sweet spot $15–$100

Price range

Incredible$15.89–$45.08

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Review moat

Great223.5

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+16.6%

90-day search growth — must beat 0% to launch

Brand share

Okay83%

top-5 brand share — brands hold most of the demand

Competition

Bad81%

top-5 click share — a locked-up shelf

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Market size

Bad$37K

$37K/yr · 7K searches

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, pdm28 spa filter is a $37K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Apr–May. Verdict: Skip it — 49/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

pdm28 spa filter market data

Units sold / yr: 1K–1K; avg 100–250/product
Revenue / yr: $28K–$35K; units × avg price
Conversion rate: 19.6%
Avg BSR: #2,392
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 41 months
Avg seller age: 209 days

Competition & brand share

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 rising

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

13%

Chryseos38%
Mamokin21%
Wowreed13%
POOLPURE6%
LBLVBNEWD6%
Cryspool4%
Open — no brand owns it (5 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +16.6% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 1.7×

Open Trend

Top pdm28 spa filter search terms

aquarest spa filter4K/yr +4.6%13.3% conv.
pdm28 spa filter3K/yr +26.8%18.2% conv.
pleatco pdm28427/yr +73.6%21.9% conv.

All search terms

Top pdm28 spa 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Chryseos Spa Filter Compatible with PDM28 461273 FC-9944 SD-01392 AquaRest Dream Maker hot tub Filter 28 sq. ft. 2 Pack

Chryseos$28.354.8★168 rev

Mamokin PDM28 Spa Filter Replacement Aquarest Dream Maker 461273 Hot Tub Filter FC9944 FC-9944 cartridges 2 Pack

Mamokin$28.344.7★220 rev

Wowreed Spa Filter Compatible with PDM28 461273 2015 & Newer AquaRest DreamMaker Cottage Collection Models(not Oval end) 1 Pack

Wowreed$17.624.8★203 rev

PDM28 Hot Tub Spa Filter Replacement for Aquarest Dream Maker 461273 Hot Tub Filter FC-9944 FC-9944 Cartridges Spa Filter 28 Sq. Ft (2 Pack)

LBLVBNEWD$25.854.8★13 rev

POOLPURE PDM28 Spa Filter Replaces 461273 FC-9944 SD-01392 AquaRest Dream Maker Hot Tub Filter 28 sq. ft. 1Pack

POOLPURE$19.524.7★790 rev

Newest

by launch date

PDM28 Hot Tub Spa Filter Replacement for Aquarest Dream Maker 461273 Hot Tub Filter FC-9944 FC-9944 Cartridges Spa Filter 28 Sq. Ft (2 Pack)

LBLVBNEWD$25.8513 rev

6mo ago

StreytoTek 4 Pcs PDM28 Spa Filter Compatible with Dream Maker Hot Tub

StreytoTek$45.082 rev

6mo ago

Niantime PDM28 Hot Tub Spa Filter Replacement for Aquarest Dream Maker 461273 FC-9944 Spa Filter 28 Sq. Ft 2 Pack PDM28 Spa Filter

Niantime$25.7817 rev

1y ago

AQUALTRA Spa Filter Replacement for PDM28 Compatible with Dream Maker 461273 FC9944 FC-9944 Cartridges SD-01392 28 sq.ft. 5 1/2 x 7 1/4 Drop in Hot Tub Filter 2 Pack

AQUALTRA$28.4960 rev

2y ago

Chryseos Spa Filter Compatible with PDM28 461273 FC-9944 SD-01392 AquaRest Dream Maker hot tub Filter 28 sq. ft. 2 Pack

Chryseos$28.35168 rev

2y ago

What buyers say about pdm28 spa filter

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall25%

“Excellent fit”

Filtration23%

“Great filters”

Value For Money16%

“Great Value”

Quality-Overall8%

“No complaints”

Advertised Vs Actual Product6%

“As advertised”

Ease Of Cleaning3%

“great, pretty easy to clean and get more than a single use and much cheaper than manufacture branded”

Design-Overall2%

“Solid construction, and fit”

Water Resistance2%

“Easy to change to keep your water nice and clear”

Material Quality2%

“The filter material also seems well made”

Spray/Flow1%

“all the gunk sprays away nicely”

What buyers complain about

Value For Money19%

“A little expensive”

Ease Of Cleaning13%

“These do not rinse well”

Filtration10%

“I dont recommend this filter”

Water Resistance4%

“They disintegrate when you pluck them from the water so it has to be some type of glue”

Ease Of Use3%

“Some of the filters I've purchased in the past have been difficult to insert”

Thickness3%

“although the opening is extremely thin so large particles are not going to make under the pleats”

Hard Feel3%

“these feel more like hard plastic”

Jamming/Clogging3%

“The only downside is that they clog a bit faster than I expected if the hot tub gets heavy use”

Top return reasons

Size-Overall72%

Filtration11%

Advertised Vs Actual Product10%

Shape/Style6%

Functionality-Overall1%

Durability1%

Material Quality1%

Defective Material/Parts0%

Common questions

Is pdm28 spa filter profitable to sell on Amazon United States?: The niche generates $37K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +16.6%. Flapen's verdict: Skip it (49/100).
How competitive is the pdm28 spa filter niche?: 11 brands and 13 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in pdm28 spa filter?: Top complaints mined from reviews: Value For Money, Ease Of Cleaning, Filtration. The return rate is 1.1%.
When does demand for pdm28 spa filter peak?: Demand peaks in Apr–May; the busiest month runs 1.7× the quietest.
What does it cost to enter the pdm28 spa filter niche?: Listings span $15.89–$45.08; the average listing price is $27.92 (sweet spot $15–$100). The average incumbent carries 224 reviews — the moat a new listing must climb.