sand filter drain cap
Worth a lookShows demand growing +434.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+434.6%90-day search growth — must beat 0% to launch
Review moat
Incredible99.27avg incumbent reviews — the moat a new listing must climb
Brand share
Great43%top-5 brand share — no brand owns this niche
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Great38%top-5 click share — an open shelf
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Returns
Good2.2%return rate — above 5% kills the launch gate
Price range
Okay$4.42–$24.58cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$11.26avg listing price — sweet spot $15–$100
Market size
Bad$23K$23K/yr · 31K searches
According to Flapen's Amazon United States niche tracking, sand filter drain cap is a $23K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 68/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
sand filter drain cap market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $23K–$28K
- units × avg price
- Conversion rate
- 6.5%
- Avg BSR
- #2,304
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 91%
- Out of stock
- 5.6%
- Avg brand age
- 28 months
- Avg seller age
- 176 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
39 rising
Sellers
62
Top-5 brand share
43%
Top 20: 85%
Top-5 click share
38%
Top 20: 81%
Open market
51%
- VYF10%
- GAQUECY9%
- AppliaFit9%
- WFCYX8%
- lasuroa7%
- ChangTa6%
Demand & seasonality
Weekly Amazon search volume, last 55 weeks — +434.6% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 36.3×
Top sand filter drain cap search terms
- sand filter drain cap8K/yr
- hayward sand filter drain cap7K/yr
- sand filter drain plug5K/yr
- pool filter drain cap4K/yr
- pool filter cap4K/yr
- pool filter cap replacement3K/yr
Top sand filter drain cap 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VYF SX180HG Pool Sand Filter Drain Cap Replacement for Hayward Sand Filters (S180T S210T S220T S244T S270T2 S310T2) Drain Cap with Gasket Sand 2-Pack
VYF$7.863.7★30 rev
AppliaFit Drain Cap Assembly Compatible with Hayward SX180LA for Hayward Pro-Series and Pro-Series Plus Sand Filters (1-Pack)
AppliaFit$9.964.6★325 rev
GAQUECY 2 Pack SX180HG Drain Cap with Gasket Sand Filter Drain Cap for Hayward Sand Filter S166T S180T S210T S220T S244T S244T2
GAQUECY$8.104.0★57 rev
lasuroa 2pcs Sand Filter Drain Cap with 2pcs Sealing Gasket Plastic Pool Filter Drain Cap Pool Sand Filter Parts Sand Filter Drain Plug for Hayward Pool Filter Parts SPA Swimming Pool (Black)
lasuroa$8.223.9★110 rev
ChangTa SX180HG Pool Sand Filter Drain Cap and Gasket for Hayward Pro Series Sand Filter Models S140T S144T S164T S166T S180T S210T (1)
ChangTa$7.614.2★283 rev
Newest
by launch date
2Pcs SX180HG Drain Cap with Gasket Replacement Sand Filter Drain Plug for Hayward Pro Series S166T S180T S210T S220T S244T S244T2 Pool & Spa Sand Filter Parts for Hayward Leak-Proof Design
CYUXING$8.4319 rev
VYF SX180HG Pool Sand Filter Drain Cap Replacement for Hayward Sand Filters (S180T S210T S220T S244T S270T2 S310T2) Drain Cap with Gasket Sand 2-Pack
VYF$7.8630 rev
154712 Sand Filter Drain Plug for Pentair Sand Dollar Pool Filters Cap
kiecpoy$13.714 rev
11456 Pool Drain Valve Cap Compatible with Intex Sand Filter Pumps Drain Cap Pool Pump Drain Cap for Above Ground Pool Drain Plug Cap for Sand Filter Pump Replacement Repair Parts 2PCS
KEYDINHT$8.6235 rev
Chicmount 2 Pcs Pool Sand Filter Drain Plug Plastic Drain Plugs and Seal Ring Set Replacement Drains Plug and Seal for Sand Filter Systems with 12 and 14 Inch Tanks (Black)
Chicmount$19.4921 rev
Trending
90-day click momentum
BGIFER SX200Z8A Drain Cap for Hayward & C400 C550 Easy Clear Sand Filters with Gaskets 2-Pcs
BGIFER$15.595.0★
2Pcs SX180HG Drain Cap with Gasket Replacement Sand Filter Drain Plug for Hayward Pro Series S166T S180T S210T S220T S244T S244T2 Pool & Spa Sand Filter Parts for Hayward Leak-Proof Design
CYUXING$8.433.9★
Drain Valve Cap For Intex Pools 11456 & 11385 Sand Filter Drain Cap 2Pcs
WFCYX$6.894.5★
TonGass (2-Pack Black SX180HG Exact Replacement Filter Drain Cap and Gasket for Select Hayward Sand Filter Compatible with 2005 and Older Models SW-196T SW-236T SW-256T S166T S180TC 210TC
TonGass$9.434.2★
VYF SX180HG Pool Sand Filter Drain Cap Replacement for Hayward Sand Filters (S180T S210T S220T S244T S270T2 S310T2) Drain Cap with Gasket Sand 2-Pack
VYF$7.863.7★
What buyers say about sand filter drain cap
What buyers praise and complain about, mined from review topics.What buyers love
“Fits like a glove”
“does not leak”
“As advertised”
“quality seemed fair”
“Good Value”
“Perfect replacement for filter, fit well and sturdy”
“The material feels sturdy”
“routine maintenance becomes a breeze”
“Easy to install”
“The build quality feels durable and reliable, and having a 2-pack is convenient for replacements or backups”
What buyers complain about
“Too small”
“Pool Filter Description Wrong”
“Size not as advertised”
“It leaked with it in there”
“Item received defective”
“One of those easy to lose/break”
“so I was disappointed that it didn't work”
“Definitely returning, its either defective or of very poor quality”
“Upon further inspection I noted the material was considerably softer than the original part”
“Cost”
Top return reasons
Common questions
- Is sand filter drain cap profitable to sell on Amazon United States?
- The niche generates $23K/yr across 44 tracked products. 1 of 16 products launched in the last 360 days are still selling. 90-day search growth is +434.6%. Flapen's verdict: Worth a look (68/100).
- How competitive is the sand filter drain cap niche?
- 39 brands and 62 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 43% of demand.
- What do buyers complain about in sand filter drain cap?
- Top complaints mined from reviews: Size-Overall, Filtration, Advertised Vs Actual Product. The return rate is 2.2%.
- When does demand for sand filter drain cap peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 36.3× the quietest.
- What does it cost to enter the sand filter drain cap niche?
- Listings span $4.42–$24.58; the average listing price is $11.26 (sweet spot $15–$100). The average incumbent carries 99 reviews — the moat a new listing must climb.