---
title: "Pdm30 — $29K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/pdm30"
last_updated: "2026-08-11T06:41:06.176Z"
locale: en
meta:
  description: "Niche score 58/100 · $29K/yr market · 16K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $29K/yr market · 16K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Pdm30 — $29K/yr Amazon US Niche (2026) - Flapen"
---

# **pdm30**

**Worth a look**

Shows a thin review moat (49 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 7Growth 26Conversion 62Competition 77Returns 96Price range 95Avg price 95Brand share 92Review moat 98Quality gap 19

**Review moat**

**Incredible****48.97**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$33.07**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$16.63–$50.17**

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

**Brand share**

**Great****43%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****38%**

top-5 click share — an open shelf

**Conversion**

**Good****5.4%**

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**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$29K**

$29K/yr · 16K searches

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

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 ~~](https://flapen.com/research/methodology)

## **pdm30 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$33K–$41K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#3,210**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**90%**</dd>

<dt>**Sponsored**</dt><dd>**87%**</dd>

<dt>**Out of stock**</dt><dd>**4.6%**</dd>

<dt>**Avg brand age**</dt><dd>**32 months**</dd>

<dt>**Avg seller age**</dt><dd>**191 days**</dd>

</dl>

## **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.

350250May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26Jul '26

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/pdm30/trend)

## **Top pdm30 search terms**

- **pdm30**10K/yr-11.1%1.5% conv. - **dream maker spa filter**3K/yr+38.1%5.8% conv. - **pdm30 spa filter**3K/yr+21.7%19.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/pdm30/search-terms)

## **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.

0%3%$8786%$2K9%$3K12%$4K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![POOLPURE Oval Filter Spa Filter PDM30 Compatible with Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK](https://m.media-amazon.com/images/I/418A3zUhm0L.jpg)**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**$48.80**4.7★295 rev](https://www.amazon.com/dp/B0B59BTCJL) [2![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](https://m.media-amazon.com/images/I/41lfyy49fJL.jpg)**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**$35.84**4.7★41 rev](https://www.amazon.com/dp/B0FDB4KJG8) [3![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](https://m.media-amazon.com/images/I/41sc5Lto+7L.jpg)**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**$31.04**5.0★4 rev](https://www.amazon.com/dp/B0GGLN3BY8) [4![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](https://m.media-amazon.com/images/I/41f7DzQmLcL.jpg)**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**$38.52**4.8★160 rev](https://www.amazon.com/dp/B0BGS7VS3K) [5![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](https://m.media-amazon.com/images/I/41Z+Rr9ejqL.jpg)**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**$34.98**4.7★121 rev](https://www.amazon.com/dp/B09P2WRZGW)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![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](https://m.media-amazon.com/images/I/41sc5Lto+7L.jpg)**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**$31.04**4 rev6mo ago](https://www.amazon.com/dp/B0GGLN3BY8) [![Malaka Oval Spa Filter FD2131 Compatible with PDM30 461269 FC9940 730L 730S EZ EZL 30 sq.ft 2-Pack](https://m.media-amazon.com/images/I/41LRy2URnnL.jpg)**Malaka Oval Spa Filter FD2131 Compatible with PDM30 461269 FC9940 730L 730S EZ EZL 30 sq.ft 2-Pack**Malaka**$32.83**18 rev11mo ago](https://www.amazon.com/dp/B0FL7WTZ98) [![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](https://m.media-amazon.com/images/I/41lfyy49fJL.jpg)**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**$35.84**41 rev1y ago](https://www.amazon.com/dp/B0FDB4KJG8) [![DAYEAR PDM30 SPA Filter Replacement Oval Hot Tub Filter Cartridge 30 Sq. Ft. (2 Pack) for 461269 FC-9940 FC9940M 730L 730S](https://m.media-amazon.com/images/I/31l23thSfJL.jpg)**DAYEAR PDM30 SPA Filter Replacement Oval Hot Tub Filter Cartridge 30 Sq. Ft. (2 Pack) for 461269 FC-9940 FC9940M 730L 730S**DAYEAR**$41.15**6 rev1y ago](https://www.amazon.com/dp/B0DLB3P5S2) [![DAYEAR PDM30 SPA Filter Replacement Oval Hot Tub Filter Cartridge 30 Sq. Ft. (2 Pack) for 461269 FC-9940 FC9940M 730L 730S](https://m.media-amazon.com/images/I/31IffFBaS5L.jpg)**DAYEAR PDM30 SPA Filter Replacement Oval Hot Tub Filter Cartridge 30 Sq. Ft. (2 Pack) for 461269 FC-9940 FC9940M 730L 730S**DAYEAR**$34.73**20 rev1y ago](https://www.amazon.com/dp/B0DHX6TYJ8)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/41sc5Lto+7L.jpg)**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**$31.04**5.0★**▲ 370%**](https://www.amazon.com/dp/B0GGLN3BY8) [![POOLPURE Oval Filter Spa Filter PDM30 Compatible with Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK](https://m.media-amazon.com/images/I/418A3zUhm0L.jpg)**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**$48.80**4.7★**▲ 33%**](https://www.amazon.com/dp/B0B59BTCJL) [![Malaka Oval Spa Filter FD2131 Compatible with PDM30 461269 FC9940 730L 730S EZ EZL 30 sq.ft 2-Pack](https://m.media-amazon.com/images/I/41LRy2URnnL.jpg)**Malaka Oval Spa Filter FD2131 Compatible with PDM30 461269 FC9940 730L 730S EZ EZL 30 sq.ft 2-Pack**Malaka**$32.83**4.8★**▲ 29%**](https://www.amazon.com/dp/B0FL7WTZ98) [![TOREAD Oval Filter Spa Filter PDM30 for Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK](https://m.media-amazon.com/images/I/51BbaxpmYfL.jpg)**TOREAD Oval Filter Spa Filter PDM30 for Dream Maker Hot Tubs 461269 261272 361269 461272 30 sq.ft Hot Tub Filter Cartridge 2PACK**TOREAD**$35.40**5.0★**▲ 26%**](https://www.amazon.com/dp/B0DDL2T19Q) [![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](https://m.media-amazon.com/images/I/41lfyy49fJL.jpg)**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**$35.84**4.7★**▲ 24%**](https://www.amazon.com/dp/B0FDB4KJG8)

**~~View all trending →~~**

## **What buyers say about pdm30**

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

### **What buyers love **

**Size-Overall**36%

*“Fit perfectly”*

**Filtration**17%

*“Fit in that filter perfect”*

**Value For Money**13%

*“Affordable price”*

**Quality-Overall**8%

*“This is a reasonable quality PDM30 filter replacement”*

**Assembly/Installation**5%

*“Easy to install”*

**Durability**4%

*“Durable product for great price”*

**Advertised Vs Actual Product**4%

*“Product is as described”*

**Ease Of Cleaning**2%

*“have a perfectly clean one every time”*

**Ease Of Use**2%

*“Easy to use”*

**Design-Overall**1%

*“Solid construction, and fit”*

### **What buyers complain about **

**Quality-Overall**17%

*“Quality issue”*

**Filtration**17%

*“I dont recommend this filter”*

**Durability**13%

*“Cracked after two weeks of use”*

**Size-Overall**13%

*“Unfortunately these did not fit”*

**Ease Of Use**6%

*“Unusable to use”*

**Water Resistance**4%

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

**Shape/Style**4%

*“the endcaps are molded imperfectly”*

**Thickness**3%

*“as I have spent more on filters that were not as thick”*

### **Top return reasons **

**Size-Overall**68%

**Filtration**13%

**Advertised Vs Actual Product**10%

**Shape/Style**7%

**Functionality-Overall**1%

**Defective Material/Parts**0%

**Mechanism Issues**0%

**Thin**0%

## **Common questions**

<dl>

<dt>**Is pdm30 profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the pdm30 niche?**</dt><dd>24 brands and 39 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 43% of demand.</dd>

<dt>**What do buyers complain about in pdm30?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Filtration, Durability. The return rate is 0.7%.</dd>

<dt>**What does it cost to enter the pdm30 niche?**</dt><dd>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.</dd>

</dl>

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