90304 shop vac filter
Worth a lookShows searches that convert (19.0% search→purchase), but strong incumbent ratings (4.7★) keeps it on the watch list.
Conversion
Incredible19.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$18.75avg listing price — sweet spot $15–$100
Returns
Good2.2%return rate — above 5% kills the launch gate
Price range
Good$9.75–$24.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good70%top-5 brand share — brands hold most of the demand
Review moat
Good1,270.18avg incumbent reviews — the moat a new listing must climb
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Market size
Okay$230K$230K/yr · 65K searches
Growth
Okay+0.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, 90304 shop vac filter is a $230K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
90304 shop vac filter market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $188K–$234K
- units × avg price
- Conversion rate
- 19.0%
- Avg BSR
- #79
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 95%
- Out of stock
- 19.4%
- Avg brand age
- 51 months
- Avg seller age
- 199 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
26
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
57%
Top 20: 98%
Open market
25%
- ATXKXE29%
- isinlive14%
- Shop-Vac10%
- Cabiclean10%
- Extolife7%
- SwellV5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top 90304 shop vac filter search terms
- 90304 shop vac filter21K/yr
- shop vac filter 9030411K/yr
- 903044K/yr
- shopvac filter 903045K/yr
- shop vac 903045K/yr
- shop vac cartridge filter 903043K/yr
- shop vac filters 903043K/yr
- 90304 filter4K/yr
- 90340 shop vac filter3K/yr
- 90350 shop vac filter3K/yr
Top 90304 shop vac 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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
90304 Replacement Filter 90107 dry filter 90585 Foam Sleeve Compatible with shopvac filter 90304 90350 90333 90585 Fits Most 5 Gallon and Above Wet Dry Vacuum Cleaner (2+2+4+2+2+1)
ATXKXE$19.034.5★205 rev
90304 Replacement Filter Kit Compatible with Shop Vac Cartridge Filter 90350 90304 90333 90585 Fits Most 5 Gallon and above Wet Dry Vacuum Cleaner (2+2+4+1)
isinlive$20.444.6★781 rev
90304 Replacement Filter 90585 Foam Sleeve Compatible with shopvac filter 90304 90350 90333 90585 Fits Most 5 Gallon and Above Wet Dry Vacuum Cleaner (1 Filters+1 Lid+2 Foam Sleeve Filter+1 Brush)
ATXKXE$15.054.5★88 rev
90304 Replacement Filter Fit for Shop-Vac 90304 90350 90333 Replacement
Cabiclean$19.794.6★1,845 rev
Extolife Replacement Filter Compatible with Shop-Vac 90350 90304 90333 Replacement fits most Wet/Dry Vacuum 5 Gallon and above (1)
Extolife$14.314.7★13,100 rev
Newest
by launch date
90304 Replacement Filter 90585 Foam Sleeve Kit Fit for shopvac Cartridge Filter 90304 90333 90350 90585 Replacement for Most Wet and Dry Vacuum Cleaners 5 Gallon and Above (2+2+4+1)
Netezza$19.2342 rev
90304 Replacement Filter 90107 dry filter 90585 Foam Sleeve Compatible with shopvac filter 90304 90350 90333 90585 Fits Most 5 Gallon and Above Wet Dry Vacuum Cleaner (1+1+3+3+6+1)
ATXKXE$18.6120 rev
90304 Replacement Filter 90107 dry filter 90585 Foam Sleeve Compatible with shopvac filter 90304 90350 90333 90585 Fits Most 5 Gallon and Above Wet Dry Vacuum Cleaner (2+2+4+2+2+1)
ATXKXE$19.03205 rev
90304 Replacement Filter 90585 Foam Sleeve Compatible with shopvac filter 90304 90350 90333 90585 Fits Most 5 Gallon and Above Wet Dry Vacuum Cleaner (1 Filters+1 Lid+2 Foam Sleeve Filter+1 Brush)
ATXKXE$15.0588 rev
QUIENKITCH 2 Pack 90304 Replacement Filter Kit for Shop Vac 5 Gal
QUIENKITCH$19.91260 rev
Trending
90-day click momentum90304 Replacement Filter 90585 Foam Sleeve Kit Fit for shopvac Cartridge Filter 90304 90333 90350 90585 Replacement for Most Wet and Dry Vacuum Cleaners 5 Gallon and Above (2+2+4+1)
Netezza$19.234.8★
90304 Replacement Filter 90107 dry filter 90585 Foam Sleeve Compatible with shopvac filter 90304 90350 90333 90585 Fits Most 5 Gallon and Above Wet Dry Vacuum Cleaner (1+1+3+3+6+1)
ATXKXE$18.614.9★
1 Pack Replacement 90304 Filter Compatible with shopvac 90304 90350 90333 903-04-00 9030400 5 Gallon Up Wet/Dry Vacuum Cleaners Filters
FilledwithLove$13.904.8★
GIB 90304 Filter and Replacement Bags for Shop Vac Wet Dry Vac 5-8 Gallon
GIB cleaningtool$24.964.4★
90304 Vacuum Filter Replacement Filter for Shop-Vac 90304 90350 90333 90585
SwellV$20.864.8★
What buyers say about 90304 shop vac filter
What buyers praise and complain about, mined from review topics.What buyers love
“Fit like a charm”
“The filters work well”
“Great Value”
“Good quality, easy to put in”
“As described”
“Works Great”
“Compatibility”
“cleans up easily”
“the filter itself feels durable”
“Easy to install”
What buyers complain about
“Did not fit”
“Very poor filter”
“Not high quality”
“Check measurements, not description”
“This does not fit my Genie shop vac”
“A waste of money”
“My old one was so filthy that just trying to get it out was a feat”
“ripped all the way trying to put them on”
“flimsy”
“do not work”
Top return reasons
Common questions
- Is 90304 shop vac filter profitable to sell on Amazon United States?
- The niche generates $230K/yr across 22 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +0.3%. Flapen's verdict: Worth a look (52/100).
- How competitive is the 90304 shop vac filter niche?
- 16 brands and 26 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in 90304 shop vac filter?
- Top complaints mined from reviews: Size-Overall, Filtration, Quality-Overall. The return rate is 2.2%.
- When does demand for 90304 shop vac filter peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the 90304 shop vac filter niche?
- Listings span $9.75–$24.96; the average listing price is $18.75 (sweet spot $15–$100). The average incumbent carries 1,270 reviews — the moat a new listing must climb.