---
title: "Sunlu Filament Dryer — $253K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/industrial-scientific/sunlu-filament-dryer"
last_updated: "2026-08-08T11:43:52.410Z"
locale: en
meta:
description: "Niche score 40/100 · $253K/yr market · 56K searches/yr · $127.58 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 40/100 · $253K/yr market · 56K searches/yr · $127.58 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Sunlu Filament Dryer — $253K/yr Amazon US Niche (2026) - Flapen"
---
# **sunlu filament dryer**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 47Growth 26Conversion 44Competition 41Returns 44Price range 44Avg price 66Brand share 4Review moat 77Quality gap 40
**Review moat**
**Great****452.94**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$127.58**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$253K**
$253K/yr · 56K searches
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.5%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****$41.20–$175.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+0.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, sunlu filament dryer is a $253K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jan. Verdict: Skip it — 40/100.
Data updated Aug 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sunlu filament dryer market data**
- **Units sold / yr**
- **2K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$255K–$319K**
- units × avg price
- **Conversion rate**
- **3.5%**
- **Avg BSR**
- **#391**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **16.0%**
- **Avg brand age**
- **21 months**
- **Avg seller age**
- **167 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**14**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**0%**
- Creality65% - SUNLU19% - Comgrow7% - Sovol5% - chitu systems2% - YOOPAI2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.8% search growth over the last 90 days.
5K4KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/industrial-scientific/sunlu-filament-dryer/trend)
## **Top sunlu filament dryer search terms**
- **filament dryer 4 spools**18K/yr-2.2%2.3% conv. - **creality space pi x4**15K/yr+2.0%4.7% conv. - **4 spool filament dryer**10K/yr+13.5%1.7% conv. - **space pi x4**9K/yr-5.0%3.1% conv. - **creality spacepi x4**4K/yr-7.0%5.8% conv. [**All search terms **](https://flapen.com/research/us/industrial-scientific/sunlu-filament-dryer/search-terms)
## **Top sunlu filament dryer 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%10%$25K20%$51K30%$76K40%$101K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Creality Filament Dryer Box 4 Spools Space Pi X4 Filament Storage Box 200W PTC Heats Up to 85C Dual Heating Chambers Fast Drying & Moisture-Free Storage for PLA PETG TPU ABS**Creality**$158.14**4.6★200 rev](https://www.amazon.com/dp/B0F7Q65GCW) [2**Creality Space Pi X4L Filament Dryer Box 4 Spool Capacity with Dual Independent Chambers 75C Heating & Smart Energy-Saving Mode Fits PLA PETG ABS TPU PA etc | Solve Moisture Clogs & Stringing**Creality**$131.96**4.3★52 rev](https://www.amazon.com/dp/B0G2S5RQBX) [3**Creality Space Pi X4 Filament Dryer 4-Roll 3D Printer Dry Box**Creality**$159.33**4.8★28 rev](https://www.amazon.com/dp/B0DYP9DWB4) [4**Official Creality Filament Dryer Space Pi X4 Filament Storage Box 85 Max Temperature Dual Independent Heating Chambers Power Saving for PLA PETG ABS TPU ASA PC PA PAHT DB-05**Creality**$159.09**4.5★146 rev](https://www.amazon.com/dp/B0F7LTR3N7) [5**SUNLU S4 3D Printer Filament Dryer Black**SUNLU**$114.14**4.6★521 rev](https://www.amazon.com/dp/B0CQJMV71Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Creality Space Pi X4L Filament Dryer Box 4 Spool Capacity with Dual Independent Chambers 75C Heating & Smart Energy-Saving Mode Fits PLA PETG ABS TPU PA etc | Solve Moisture Clogs & Stringing**Creality**$131.96**52 rev7mo ago](https://www.amazon.com/dp/B0G2S5RQBX) [**Creality Space Pi X4L Filament Dryer 4 Spools 3D Printer Filament Dehydrator with Dual Independent Heating Chambers 75C High Temp & Smart Drying Box Moisture-Proof Storage for PLA PETG TPU ABS etc**YOOPAI**$134.39**12 rev7mo ago](https://www.amazon.com/dp/B0G3WWXR4Q) [**Creality Filament Dryer Box 4 Spools Space Pi X4L Filament Storage Box Max 85C Temperature Dual Independent Heating Chambers & Fan Rapid Drying for PLA PETG TPU ABS PET PC ASA PA PAHT**Creality**$131.08**36 rev9mo ago](https://www.amazon.com/dp/B0G1JT58G1) [**Creality Filament Dryer 4 Spools Space Pi X4L Filament Storage Box**Creality**$138.09**17 rev9mo ago](https://www.amazon.com/dp/B0FX3TC56P) [**Creality Space Pi X4 Filament Dryer Box 4 Spools Filament Storage with Dual Heating Chambers 200W Fast Heating Up to 85 for PLA PETG ABS TPU Nylon PC**Creality**$175.13**33 rev9mo ago](https://www.amazon.com/dp/B0FQV2MS7W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SUNLU Official Filament Dryer S4 for Nylon TPU PLA PETG ABS (Black)**SUNLU**$107.93**4.6★**▲ 120%**](https://www.amazon.com/dp/B0FVLK8TZW) [**Creality Space Pi X4L Filament Dryer Box 4 Spool Capacity with Dual Independent Chambers 75C Heating & Smart Energy-Saving Mode Fits PLA PETG ABS TPU PA etc | Solve Moisture Clogs & Stringing**Creality**$131.96**4.3★**▲ 65%**](https://www.amazon.com/dp/B0G2S5RQBX) [**SUNLU S4 3D Printer Filament Dryer Boxer Black**SUNLU**$109.25**4.6★**▲ 60%**](https://www.amazon.com/dp/B0FFGXJXQ5) [**Comgrow Filament Dryer 4 Spools SH03 Filament Storage Box**Comgrow**$114.43**4.4★**▲ 58%**](https://www.amazon.com/dp/B0FP574DFT) [**Creality Filament Dryer Box 4 Spools Space Pi X4L Filament Storage Box Max 85C Temperature Dual Independent Heating Chambers & Fan Rapid Drying for PLA PETG TPU ABS PET PC ASA PA PAHT**Creality**$131.08**4.4★**▲ 43%**](https://www.amazon.com/dp/B0G1JT58G1)
**~~View all trending →~~**
## **What buyers say about sunlu filament dryer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“the build quality is great”*
**Value For Money**14%
*“Good price”*
**Advertised Vs Actual Product**12%
*“Product as advertised”*
**Ease Of Use**9%
*“It's easy to operate”*
**Heating**7%
*“It heats evenly”*
**Efficiency**6%
*“Works great”*
**Functionality-Overall**4%
*“the auto function works well”*
**Design-Overall**3%
*“Nice Design”*
**Size-Overall**3%
*“Fits great”*
**Touch/Button Controls**2%
*“Controls are easy to read and operate”*
### **What buyers complain about **
**Heating**18%
*“it heats up hotter than it says it does”*
**Functionality-Overall**11%
*“Doesn't work”*
**Quality-Overall**8%
*“Very poor quality assurance on their end for not double checking if it's still functioning”*
**Durability**8%
*“Broke before I even got to use it”*
**Advertised Vs Actual Product**7%
*“Misleading”*
**Size-Overall**3%
*“the covers for the trays don't fit very well”*
**Instructions/User Manual/Troubleshooting**3%
*“The manual is not very easy to read”*
**Touch/Button Controls**3%
*“trying to touch anywhere else could damage the LCD”*
**Design-Overall**3%
*“Though I find it's visual aesthetic to be less appealing”*
**Print Quality**2%
*“in general it just isn't worth it for me to print without keeping my filament dry”*
### **Top return reasons **
**Advertised Vs Actual Product**20%
**Compatibility-Overall**18%
**Heating**12%
**Functionality-Overall**10%
**Size-Overall**9%
**Value For Money**9%
**Defective Material/Parts**8%
**Display-Overall**2%
**Product Condition**2%
**Assembly/Installation**1%
## **Common questions**
- **Is sunlu filament dryer profitable to sell on Amazon United States?**
- The niche generates $253K/yr across 18 tracked products. 9 of 9 products launched in the last 360 days are still selling. 90-day search growth is +0.8%. Flapen's verdict: Skip it (40/100).
- **How competitive is the sunlu filament dryer niche?**
- 6 brands and 14 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in sunlu filament dryer?**
- Top complaints mined from reviews: Heating, Functionality-Overall, Quality-Overall. The return rate is 3.5%.
- **When does demand for sunlu filament dryer peak?**
- Demand peaks in Jan; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the sunlu filament dryer niche?**
- Listings span $41.20–$175.13; the average listing price is $127.58 (sweet spot $15–$100). The average incumbent carries 453 reviews — the moat a new listing must climb.
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