---
title: "Generalaire Humidifier Filter — $218K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/appliances/generalaire-humidifier-filter"
last_updated: "2026-08-09T14:06:33.274Z"
locale: en
meta:
description: "Niche score 44/100 · $218K/yr market · 17K searches/yr · $42.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $218K/yr market · 17K searches/yr · $42.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Generalaire Humidifier Filter — $218K/yr Amazon US Niche (2026) - Flapen"
---
# **generalaire humidifier filter**
**Skip it**
Soft demand (-69.4% this quarter) — this niche doesn't clear our bar today.
Market size 42Growth 0Conversion 100Competition 16Returns 92Price range 95Avg price 95Brand share 0Review moat 84Quality gap 23
**Conversion**
**Incredible****30.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$42.65**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$24.68–$74.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****328.78**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$218K**
$218K/yr · 17K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-69.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, generalaire humidifier filter is a $218K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **generalaire humidifier filter market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$128K–$171K**
- units × avg price
- **Conversion rate**
- **30.2%**
- **Avg BSR**
- **#705**
- **Page quality**
- **0%**
- **Prime**
- **78%**
- **Sponsored**
- **89%**
- **Out of stock**
- **33.0%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **179 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**17**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**0%**
- GeneralAire65% - Carmerny16% - Roninby8% - ZBYPLUAR8% - HQRP4%
## **Demand & seasonality**
Weekly Amazon search volume, last 95 weeks — -69.4% search growth over the last 90 days.
1K750Spike '24Holiday '24Spike '25Black Friday '25Holiday '25 seasonDecMarJunAugNovMarMay
Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 14.4×
[**Open Trend **](https://flapen.com/research/us/appliances/generalaire-humidifier-filter/trend)
## **Top generalaire humidifier filter search terms**
- **generalaire humidifier filter**5K/yr-71.3%6.3% conv. - **990-13 humidifier vapor pad**3K/yr-56.7%27.5% conv. - **generalaire 990-13**3K/yr-70.1%26.4% conv. - **general aire humidifier filter replacement**4K/yr-75.8%6.8% conv. - **general aire 990-13 humidifier pad**2K/yr-70.7%20.9% conv. [**All search terms **](https://flapen.com/research/us/appliances/generalaire-humidifier-filter/search-terms)
## **Top generalaire humidifier 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.
0%10%$22K20%$44K30%$65K40%$87K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OEM GeneralAire 990-13 Evaporator Pad Media Filter for 709 990 1040 1042 1137 SL16**GeneralAire**$24.68**4.8★720 rev](https://www.amazon.com/dp/B00GKHALNI) [2**2-pack General Generalaire Humidifier 990-13 Water Pad (View amazon detail page)**GeneralAire**$41.23**4.8★1,943 rev](https://www.amazon.com/dp/B00RYWES9Q) [3**Carmerny 990-13 Humidifier Vapor Water Pad Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 2-Pack**Carmerny**$34.33**4.6★64 rev](https://www.amazon.com/dp/B0DK4XDB9S) [4**Roninby 990-13 Humidifier Vapor Pad Water Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 3 Pack**Roninby**$43.98**4.7★65 rev](https://www.amazon.com/dp/B0DN1L98PS) [5**2 Pack Water Pad Filter Replacement for GeneralAire 990-13 / G13 Humidifier**ZBYPLUAR**$32.14**4.4★19 rev](https://www.amazon.com/dp/B0FVY7HT7V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2 Pack Water Pad Filter Replacement for GeneralAire 990-13 / G13 Humidifier**ZBYPLUAR**$32.14**19 rev8mo ago](https://www.amazon.com/dp/B0FVY7HT7V) [**3-PK -GeneralAire 990-13 Humidifier Water Vapor Pad- GFI #7002 Compatible with GeneralAire 709 990 1040 1137 1042LH and SL16 Humidifiers**GeneralAire**$58.51**4 rev9mo ago](https://www.amazon.com/dp/B0FN4QJBTM) [**Roninby 990-13 Humidifier Vapor Pad Water Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 3 Pack**Roninby**$43.98**65 rev1y ago](https://www.amazon.com/dp/B0DN1L98PS) [**Carmerny 990-13 Humidifier Vapor Water Pad Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 3-Pack**Carmerny**$42.97**64 rev1y ago](https://www.amazon.com/dp/B0DN22NVXV) [**Carmerny 990-13 Humidifier Vapor Water Pad Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 2-Pack**Carmerny**$34.33**64 rev1y ago](https://www.amazon.com/dp/B0DK4XDB9S)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**3-PK -GeneralAire 990-13 Humidifier Water Vapor Pad- GFI #7002 Compatible with GeneralAire 709 990 1040 1137 1042LH and SL16 Humidifiers**GeneralAire**$58.51**4.5★**▲ 248%**](https://www.amazon.com/dp/B0FN4QJBTM) [**2 Pack Water Pad Filter Replacement for GeneralAire 990-13 / G13 Humidifier**ZBYPLUAR**$32.14**4.4★**▲ 199%**](https://www.amazon.com/dp/B0FVY7HT7V) [**Roninby 990-13 Humidifier Vapor Pad Water Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 3 Pack**Roninby**$43.98**4.7★**▲ 187%**](https://www.amazon.com/dp/B0DN1L98PS) [**Carmerny 990-13 Humidifier Vapor Water Pad Filter Compatible with GeneralAire 990-13 G13 Humidifier Replacement Evaporator Pad Media Filter for Models 709 990 1040 1042 1137 SL16 GFI #7002 3-Pack**Carmerny**$42.97**4.6★**▲ 115%**](https://www.amazon.com/dp/B0DN22NVXV) [**4-PK -GeneralAire 990-13 Humidifier Water Vapor Pad- GFI #7002 Compatible with GeneralAire 709 990 1040 1137 1042LH and SL16 Humidifiers**GeneralAire**$74.78**4.8★**▲ 43%**](https://www.amazon.com/dp/B0FBXB62VF)
**~~View all trending →~~**
## **What buyers say about generalaire humidifier filter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**48%
*“Fits correctly”*
**Quality-Overall**17%
*“excellent quality product”*
**Value For Money**15%
*“good value”*
**Material Quality**8%
*“Made out of quality materials”*
**Advertised Vs Actual Product**5%
*“Works as advertised”*
**Efficiency**4%
*“Works well”*
**Maintenance And Repair**2%
*“Always nice when a replacement is this easy”*
**Ease Of Use**2%
*“Overall, this is a simple, reliable product that fits right and works as it should”*
### **What buyers complain about **
**Size-Overall**50%
*“Some won't fit”*
**Humidification**50%
*“found they do not regulate the humidity as the General Generalaire replacement pads do”*
### **Top return reasons **
**Size-Overall**65%
**Advertised Vs Actual Product**13%
**Filtration**9%
**Defective Material/Parts**5%
**Thin**2%
**Compatibility-Overall**2%
**Ease Of Cleaning**1%
**Spray/Flow**1%
**Humidification**1%
**Frame Quality**1%
## **Common questions**
- **Is generalaire humidifier filter profitable to sell on Amazon United States?**
- The niche generates $218K/yr across 9 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -69.4%. Flapen's verdict: Skip it (44/100).
- **How competitive is the generalaire humidifier filter niche?**
- 5 brands and 17 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in generalaire humidifier filter?**
- Top complaints mined from reviews: Size-Overall, Humidification. The return rate is 1.1%.
- **When does demand for generalaire humidifier filter peak?**
- Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 14.4× the quietest.
- **What does it cost to enter the generalaire humidifier filter niche?**
- Listings span $24.68–$74.78; the average listing price is $42.65 (sweet spot $15–$100). The average incumbent carries 329 reviews — the moat a new listing must climb.
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