Grey Water Hose
MaybeAn estimated 0.7% of orders come back. But the top 5 brands take 98% of clicks, so Grey Water Hose is a Maybe.
- Flapen Score
- 54 / 100Top 26% of 7,287 Automotive niches · +5 vs the category median of 4954
- Market size
- $185K/yr114K searches / yr
- 90-day growth
- +147.5%search demand this quarter
- Competition
- 69%top-5 click share · 6 brands · 83 sellers
Flapen Score
Grey Water Hose against its category
The dotted line is the Automotive average. Past it, Grey Water Hose is stronger. Inside it, weaker.
Market
The Grey Water Hose market on Amazon at a glance
Shoppers on Amazon United States searched for Grey Water Hose 114K times last year and spent an estimated $185K. The top 5 brands take 98% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
An estimated 13.7% of those searches ended in a purchase.
Shoppers searched for this 114K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.7% of those searches ended in a purchase. Searches in the last 90 days moved +147.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $185K a year.
- Searches, last 12 months
- 114K
- Growth, 90 days vs prior 90
- +147.5%
- Conversion, latest week
- 13.7%
- Market size, estimated
- $185Ka year
- Peak month
- June3.4× the quietest month
- Top search term
- rv sewer cap61K searches a year
02 · Price
A sale here is worth $11.80.
Listings sell for $11.80 on average, from $5.50 to $23.12. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,000 to 1,250 of them. At $11.80 that is $12K to $15K a year per listing.
- Average price
- $11.80under the $15 to $100 sweet spot
- Price range
- $5.50–$23.12
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $12K–$15K
- Returns
- 0.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
59% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #70 within RV Parts & Accessories. It carries 1,662 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 59%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #70in RV Parts & Accessories
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 1,662per listing
- Listings tracked
- 17
04 · Newcomers
1 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 24 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 24 months
Products
Top Grey Water Hose products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Camco 39463 Sewer Cap With Hose Connect Black 3/4
- Price
- $6.86
- Rating
- 4.8/5
- Reviews
- 6,839
- Age
- 20y ago

Valterra 1216.1015 Products Inc. T1020 3 Black Termination Cap with Bayonet Hook
- Price
- $5.50
- Rating
- 4.8/5
- Reviews
- 3,830
- Age
- 22y ago

Aussio (2-Pack Black T1020-1 Waste Valve Cap with Bayonet Hook 3 with Capped 3/4 GHT RV Sewer Cap
- Price
- $15.13
- Rating
- 4.2/5
- Reviews
- 250
- Age
- 2y ago

Valterra T1020-1 Waste Valve Cap - 3 with Capped 3/4 GHT Black
- Price
- $7.33
- Rating
- 4.7/5
- Reviews
- 5,714
- Age
- 22y ago

TonGass 3 RV Sewer Valve Cap with Handle Easy-Grip Waste Valve Cap for RV Camper & Travel Trailer Secure Seal Leak Prevention Easy to Install & Use - Black 2-Pack
- Price
- $23.12
- Rating
- 4.9/5
- Reviews
- 30
- Age
- 6mo ago
Trending
estimated 90-day click momentum
TonGass RV Sewer Cap with Lanyard Compatible with Camco Rhino Portable Waste Tank RV Sewer Hose Storage Cap for Camco Camper - Prevents Leaks & Spills from RVs Sewers System - Black 1-Pack
- Price
- $9.92
- Rating
- 4.9/5
- Reviews
- 31
- Age
- 11mo ago

TonGass 3 RV Sewer Valve Cap with Handle Easy-Grip Waste Valve Cap for RV Camper & Travel Trailer Secure Seal Leak Prevention Easy to Install & Use - Black 2-Pack
- Price
- $23.12
- Rating
- 4.9/5
- Reviews
- 30
- Age
- 6mo ago

Colingmill RV Sewer Valve Cap with Handle - 3 RV Sewer Cover Waste Valve Cap for Camper Trailer Easy to Install & Use(1 Pcs Clear)
- Price
- $14.95
- Rating
- 3.8/5
- Reviews
- 134
- Age
- 1y ago

WKZO Replacement RV Sewer Cap - Heavy-Duty ABS Plastic Universal Fit for Most RVs & Trailers Leak-Proof Waste Tank Cap with Secure Locking Clamp (Black 3.75)
- Price
- $13.32
- Rating
- 4.2/5
- Reviews
- 32
- Age
- 10mo ago

Camco Rhino Flex Cap Bayonet and Elbow Cap - Seals Both Ends of Your Sewer Hose to Form a Odor Tight Connection While Storing (2 Pack) (39753)
- Price
- $8.76
- Rating
- 4.5/5
- Reviews
- 600
- Age
- 15y ago
Newest
by launch date
TonGass 3 RV Sewer Valve Cap with Handle Easy-Grip Waste Valve Cap for RV Camper & Travel Trailer Secure Seal Leak Prevention Easy to Install & Use - Black 2-Pack
- Price
- $23.12
- Rating
- 4.9/5
- Reviews
- 30
- Age
- 6mo ago

WKZO Replacement RV Sewer Cap - Heavy-Duty ABS Plastic Universal Fit for Most RVs & Trailers Leak-Proof Waste Tank Cap with Secure Locking Clamp (Black 3.75)
- Price
- $13.32
- Rating
- 4.2/5
- Reviews
- 32
- Age
- 10mo ago

TonGass RV Sewer Cap with Lanyard Compatible with Camco Rhino Portable Waste Tank RV Sewer Hose Storage Cap for Camco Camper - Prevents Leaks & Spills from RVs Sewers System - Black 1-Pack
- Price
- $9.92
- Rating
- 4.9/5
- Reviews
- 31
- Age
- 11mo ago

Colingmill RV Sewer Valve Cap with Handle - 3 RV Sewer Cover Waste Valve Cap for Camper Trailer Easy to Install & Use(1 Pcs Black)
- Price
- $15.14
- Rating
- 3.8/5
- Reviews
- 134
- Age
- 1y ago

Colingmill RV Sewer Valve Cap with Handle - 3 RV Sewer Cover Waste Valve Cap for Camper Trailer Easy to Install & Use(1 Pcs Clear)
- Price
- $14.95
- Rating
- 3.8/5
- Reviews
- 134
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.
Brands
6 rising
Sellers
83
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
69%
Top 20: 100%
Open market
0%
- Camco36%
- Valterra30%
- Aussio12%
- Colingmill12%
- TonGass8%
- WKZO2%
- Open — no brand owns it (0%)
Demand
Grey Water Hose search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.4×
Search terms
Top Grey Water Hose search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- rv sewer cap61K/yr
- rv sewer cap with handle5K/yr
- rv sewer cap with hose outlet8K/yr
- rv drain cap8K/yr
- rv sewer hose cap8K/yr
- camper sewer cap5K/yr
- rv dump cap5K/yr
- rv black tank cap3K/yr
- rv waste cap4K/yr
- rv sewer caps3K/yr
Reviews and returns
What reviews say buyers love and hate about Grey Water Hose
We read the reviews and the return reasons for every product selling here.
“Very tight fit”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Grey Water Hose questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









