---
title: "Still Air Box — $242K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/still-air-box"
last_updated: "2026-08-10T00:41:51.864Z"
locale: en
meta:
description: "Niche score 53/100 · $242K/yr market · 239K searches/yr · $37.87 avg price. Soft demand (+0.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $242K/yr market · 239K searches/yr · $37.87 avg price. Soft demand (+0.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Still Air Box — $242K/yr Amazon US Niche (2026) - Flapen"
---
# **still air box**
**Worth a look**
Shows a thin review moat (108 avg reviews), but soft demand (+0.7% this quarter) keeps it on the watch list.
Market size 45Growth 26Conversion 34Competition 29Returns 74Price range 93Avg price 95Brand share 48Review moat 95Quality gap 82
**Review moat**
**Great****107.56**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$37.87**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$24.70–$102.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$242K**
$242K/yr · 239K searches
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+0.7%**
90-day search growth — must beat 0% to launch
**Signals**[** 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, still air box is a $242K/yr Amazon United States market (239K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **still air box market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$227K–$303K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#334**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **94%**
- **Out of stock**
- **7.7%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**16**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**19%**
- Salcod33% - Lovely Ran14% - ACOVER13% - ToBoom9% - A-Premium6% - HTZSSON5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.7% search growth over the last 90 days.
4K3KPrime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/still-air-box/trend)
## **Top still air box search terms**
- **still air box**85K/yr+19.8%5.0% conv. - **air filter housing**36K/yr-5.6%0.1% conv. - **air filter box housing assembly**14K/yr+6.5%0.1% conv. - **air filter box**21K/yr-29.9%0.1% conv. - **still air box mycology**14K/yr-1.0%5.4% conv. - **air intake box**13K/yr-5.5%0.0% conv. - **air box**14K/yr-16.6%0.4% conv. - **air box intake**10K/yr-12.6%0.0% conv. - **air filter housing box**6K/yr-4.3%0.2% conv. - **caja de filtro de aire de motor**7K/yr+7.3%0.1% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/still-air-box/search-terms)
## **Top still air box 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%$24K20%$48K30%$73K40%$97K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Salcod Large Still Air Box Mushroom Grow Tent - 38x20x25 Inch Clean Air Workstation Sturdy Flow Hood for Grow Bags Growers and Home Scientists**Salcod**$34.08**4.5★281 rev](https://www.amazon.com/dp/B0D8SWYYKH) [2**Large Still Air Box Mushroom Mycology Fume Hood Propagation StationsGrow Kit Mushroom Grow Bags Your Monotub Kit Mushroom Planting BagTent for Spores Horticulture Supplies 31.5 * 20.5 * 20.5inch**Lovely Ran**$36.92**4.5★373 rev](https://www.amazon.com/dp/B0BXNGN36P) [3**ACover Large Still Air Box Mushroom Mushroom Grow Bag Kit Mycology Fume Hood Propagation Stations Grow Kit Monotub Kit Mushroom Planting Bag Tent for Spores Horticulture Supplies 31.5x 20.5x 20.5inch**ACOVER**$37.08**4.2★93 rev](https://www.amazon.com/dp/B0DSCVZXQX) [4**Toboom Portable Still Air Box Mycology with Pop Up Mushroom Growing Kit - Ideal for Mushroom Cultivation in Office and Mycology Enthusiasts (Black)**ToBoom**$29.24**4.4★56 rev](https://www.amazon.com/dp/B0DFG6JCS1) [5**Mushroom Mycology Large Still Air Box 31.5X 20.5X 20.5 inch Professional-Grade Grow Tent with Flow Hood & Monotub Kit Mushroom Planting Bag Tent Kit for Spores Horticulture Supplies Home Scientists**ACOVER**$37.42**4.3★30 rev](https://www.amazon.com/dp/B0F52WF1WL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dmnnlp Still Air Box Mushroom Grow Tent with Angled Observation Window for Easy Viewing Foldable Mushroom Grow Tent for Small Spaces & Home Scientists 29.5x20x20in**Dmnnlp**$30.51**0 rev3mo ago](https://www.amazon.com/dp/B0GV5TNF71) [**Myco Labs Large Still Air Box Bundle Clean Air Workstation for Mushroom Cultivation Portable Sterile SAB for Agar Grain Transfers & Home Lab Use**Myco Labs**$30.65**10 rev5mo ago](https://www.amazon.com/dp/B0GJTWNXJ4) [**Still Air Box- 29.5x19.7x19.7 Inch Mushroom Grow Tent Still Air Box Mycology with Tilted Surface for Wider Observation Suitable for Small Spaces Small-Scale Growers and Casual Home Projects**HTZSSON**$30.85**75 rev10mo ago](https://www.amazon.com/dp/B0FPVM6VDJ) [**LANIAKEA Still Air Box Mushroom Grow Tent Mushroom Planting Bag Tent for Spores Horticulture Supplies Home Scientists (20x19x30inch)**LANIAKEA**$24.70**6 rev1y ago](https://www.amazon.com/dp/B0F6V17Q5G) [**Mushroom Mycology Large Still Air Box 31.5X 20.5X 20.5 inch Professional-Grade Grow Tent with Flow Hood & Monotub Kit Mushroom Planting Bag Tent Kit for Spores Horticulture Supplies Home Scientists**ACOVER**$37.42**30 rev1y ago](https://www.amazon.com/dp/B0F52WF1WL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dmnnlp Still Air Box Mushroom Grow Tent with Angled Observation Window for Easy Viewing Foldable Mushroom Grow Tent for Small Spaces & Home Scientists 29.5x20x20in**Dmnnlp**$30.51**0.0★**▲ 218%**](https://www.amazon.com/dp/B0GV5TNF71) [**Bella Bora Still Air Box Mycology (Sturdy) Mushroom Grow Box Alt to Laminar Flow Hood Fume Hood for Lab Mycology Supplies by USA Mycologists V2 (Updated)**Bella Bora**$41.53**4.2★**▲ 191%**](https://www.amazon.com/dp/B09918C4GJ) [**A-Premium Engine Air Filter Cleaner Box Housing Compatible with Chevy GMC & Cadillac Models - Silverado 1500 2014-2019 Suburban Tahoe Savana 1500 2500 3500 Sierra Yukon Escalade**A-Premium**$102.41**4.5★**▲ 67%**](https://www.amazon.com/dp/B0DRFSQ45C) [**Toboom Portable Still Air Box Mycology with Pop Up Mushroom Growing Kit - Ideal for Mushroom Cultivation in Office and Mycology Enthusiasts (Blue)**ToBoom**$25.62**4.4★**▲ 65%**](https://www.amazon.com/dp/B0DFGB5F34) [**Toboom Portable Still Air Box Mycology with Pop Up Mushroom Growing Kit - Ideal for Mushroom Cultivation in Office and Mycology Enthusiasts (Black)**ToBoom**$29.24**4.4★**▲ 56%**](https://www.amazon.com/dp/B0DFG6JCS1)
**~~View all trending →~~**
## **What buyers say about still air box**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**14%
*“Worth it”*
**Quality-Overall**14%
*“good quality product”*
**Assembly/Installation**9%
*“Easy setup”*
**Ease Of Use**9%
*“Easy to take out”*
**Advertised Vs Actual Product**8%
*“it does exactly what it is meant to do”*
**Size-Overall**8%
*“Great size and value”*
**Plant Growth**6%
*“Worked very well helped with the process of growing mushrooms”*
**Strength**6%
*“This thing is made pretty well it all seemed very sturdy”*
**Storage Capacity**4%
*“Very convenient to store vrs my big old tub I've used for years”*
**Design-Overall**4%
*“Looks well-designed,”*
### **What buyers complain about **
**Durability**8%
*“Not long lasting”*
**Size-Overall**8%
*“Huge”*
**Advertised Vs Actual Product**7%
*“Removed one star because the dimensions listed in the description are incorrect”*
**Assembly/Installation**6%
*“It also ripped while putting it together”*
**Material Quality**6%
*“Extremely hard to assemble the fabric over the fiberglass core”*
**Value For Money**6%
*“cheap for a reason”*
**Strength**4%
*“is really flimsy”*
**Quality-Overall**4%
*“Cheap junk,”*
**Product Condition**3%
*“Got a used product”*
**Flammable**3%
*“the whole thing went up in flames”*
### **Top return reasons **
**Size-Overall**40%
**Advertised Vs Actual Product**10%
**Material Quality**8%
**Defective Material/Parts**6%
**Assembly/Installation**4%
**Product Condition**4%
**Ease Of Use**4%
**Functionality-Overall**3%
**Compatibility-Overall**3%
**Quality-Overall**2%
## **Common questions**
- **Is still air box profitable to sell on Amazon United States?**
- The niche generates $242K/yr across 18 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.7%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the still air box niche?**
- 14 brands and 16 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in still air box?**
- Top complaints mined from reviews: Durability, Size-Overall, Advertised Vs Actual Product. The return rate is 2.1%.
- **When does demand for still air box peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the still air box niche?**
- Listings span $24.70–$102.41; the average listing price is $37.87 (sweet spot $15–$100). The average incumbent carries 108 reviews — the moat a new listing must climb.
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