pdm30
Worth a lookShows a thin review moat (49 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible48.97avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Incredible$33.07avg listing price — sweet spot $15–$100
Price range
Incredible$16.63–$50.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great43%top-5 brand share — no brand owns this niche
Competition
Great38%top-5 click share — an open shelf
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Growth
Okay+1.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$29K$29K/yr · 16K searches
According to Flapen's Amazon United States niche tracking, pdm30 is a $29K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 43% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
pdm30 market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $33K–$41K
- units × avg price
- Conversion rate
- 5.4%
- Avg BSR
- #3,210
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 87%
- Out of stock
- 4.6%
- Avg brand age
- 32 months
- Avg seller age
- 191 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
24 rising
Sellers
39
Top-5 brand share
43%
Top 20: 94%
Top-5 click share
38%
Top 20: 83%
Open market
50%
- POOLPURE11%
- Mamokin9%
- Grefilt8%
- Porscan8%
- LBLVBNEWD7%
- Ketofa6%
Demand
Weekly Amazon search volume, last 9 weeks — +1.0% search growth over the last 90 days.Top pdm30 search terms
- pdm3010K/yr
- dream maker spa filter3K/yr
- pdm30 spa filter3K/yr
Top pdm30 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
POOLPURE Oval Filter Spa Filter PDM30 Compatible with Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK
POOLPURE$48.804.7★295 rev
Grefilt Oval Filter Spa Filter PDM30 for Dream Maker 461269 Filbur FC 9940 Cross Over 730L 730S 30 sq.ft Hot Tub Filter Cartridge 2-Pack
Grefilt$35.844.7★41 rev
LBLVBNEWD 30 sq.ft PDM30 Oval Filter Spa Filter Compatible with Dream Maker 461269 Filbur FC9940M and Odyssey Big EZ EZL Crossover 730L 730S Hot Tub Filter Cartridge - 2 Packs
LBLVBNEWD$31.045.0★4 rev
Mamokin Oval Spa Filter PDM30 Replaces Dream Maker Hot Tubs 461269 Filbur FC9940M and Odyssey Big EZ EZL Crossover 730L 730S Hot Tub Filter - 2 Pack
Mamokin$38.524.8★160 rev
Ketofa PDM30 Spa Filter Replacement Cartridge Oval Filter Compatible with Pleatco PDM30 Dream Maker Filbur FC9940 Hot Tubs Other 461269 30 sq.ft - 2 Packs
Ketofa$34.984.7★121 rev
Newest
by launch dateLBLVBNEWD 30 sq.ft PDM30 Oval Filter Spa Filter Compatible with Dream Maker 461269 Filbur FC9940M and Odyssey Big EZ EZL Crossover 730L 730S Hot Tub Filter Cartridge - 2 Packs
LBLVBNEWD$31.044 rev
Malaka Oval Spa Filter FD2131 Compatible with PDM30 461269 FC9940 730L 730S EZ EZL 30 sq.ft 2-Pack
Malaka$32.8318 rev
Grefilt Oval Filter Spa Filter PDM30 for Dream Maker 461269 Filbur FC 9940 Cross Over 730L 730S 30 sq.ft Hot Tub Filter Cartridge 2-Pack
Grefilt$35.8441 rev
DAYEAR PDM30 SPA Filter Replacement Oval Hot Tub Filter Cartridge 30 Sq. Ft. (2 Pack) for 461269 FC-9940 FC9940M 730L 730S
DAYEAR$41.156 rev
DAYEAR PDM30 SPA Filter Replacement Oval Hot Tub Filter Cartridge 30 Sq. Ft. (2 Pack) for 461269 FC-9940 FC9940M 730L 730S
DAYEAR$34.7320 rev
Trending
90-day click momentumLBLVBNEWD 30 sq.ft PDM30 Oval Filter Spa Filter Compatible with Dream Maker 461269 Filbur FC9940M and Odyssey Big EZ EZL Crossover 730L 730S Hot Tub Filter Cartridge - 2 Packs
LBLVBNEWD$31.045.0★
POOLPURE Oval Filter Spa Filter PDM30 Compatible with Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK
POOLPURE$48.804.7★
Malaka Oval Spa Filter FD2131 Compatible with PDM30 461269 FC9940 730L 730S EZ EZL 30 sq.ft 2-Pack
Malaka$32.834.8★
TOREAD Oval Filter Spa Filter PDM30 for Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK
TOREAD$35.405.0★
Grefilt Oval Filter Spa Filter PDM30 for Dream Maker 461269 Filbur FC 9940 Cross Over 730L 730S 30 sq.ft Hot Tub Filter Cartridge 2-Pack
Grefilt$35.844.7★
What buyers say about pdm30
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfectly”
“Fit in that filter perfect”
“Affordable price”
“This is a reasonable quality PDM30 filter replacement”
“Easy to install”
“Durable product for great price”
“Product is as described”
“have a perfectly clean one every time”
“Easy to use”
“Solid construction, and fit”
What buyers complain about
“Quality issue”
“I dont recommend this filter”
“Cracked after two weeks of use”
“Unfortunately these did not fit”
“Unusable to use”
“They disintegrate when you pluck them from the water so it has to be some type of glue”
“the endcaps are molded imperfectly”
“as I have spent more on filters that were not as thick”
Top return reasons
Common questions
- Is pdm30 profitable to sell on Amazon United States?
- The niche generates $29K/yr across 30 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is +1.0%. Flapen's verdict: Worth a look (58/100).
- How competitive is the pdm30 niche?
- 24 brands and 39 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 43% of demand.
- What do buyers complain about in pdm30?
- Top complaints mined from reviews: Quality-Overall, Filtration, Durability. The return rate is 0.7%.
- What does it cost to enter the pdm30 niche?
- Listings span $16.63–$50.17; the average listing price is $33.07 (sweet spot $15–$100). The average incumbent carries 49 reviews — the moat a new listing must climb.