Filament Joiner
FailDemand is soft, at -47.6% this quarter, so Filament Joiner is a Fail.
- Flapen Score
- 37 / 100Ranks 679 of 740 Business, Industry & Science niches · −12 vs the category median of 4937
- Market size
- £32K/yr32K searches / yr
- 90-day growth
- -47.6%search demand this quarter
- Competition
- 93%top-5 click share · 6 brands · 10 sellers
Flapen Score
Filament Joiner against its category
The dotted line is the Business, Industry & Science average. Past it, Filament Joiner is stronger. Inside it, weaker.
Market
The Filament Joiner market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Filament Joiner 32K times last year and spent an estimated £32K. The top 5 brands take 97% of clicks. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 4.6% of those searches ended in a purchase.
Shoppers searched for this 32K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 4.6% of those searches ended in a purchase. Searches in the last 90 days moved -47.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £32K a year.
- Searches, last 12 months
- 32K
- Growth, 90 days vs prior 90
- -47.6%
- Conversion, latest week
- 4.6%
- Market size, estimated
- £32Ka year
- Top search term
- filament joiner15K searches a year
02 · Price
A sale here is worth £21.35.
Listings sell for £21.35 on average, from £6.46 to £36.82. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 100 to 250 of them. At £21.35 that is £2K to £5K a year per listing.
- Average price
- £21.35inside the $15 to $100 sweet spot
- Price range
- £6.46–£36.82
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £2K–£5K
- Returns
- 2.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
71% of listings pay for placement with sponsored ads. 86% ship with Prime. On an average day, 22.2% of listings are out of stock. The average listing ranks #632 within 3D Printing & Scanning. It carries 555 reviews at 3.96 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 86%
- Out of stock, average day
- 22.2%
- Average rank
- #632in 3D Printing & Scanning
- Average rating
- 3.96 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 555per listing
- Listings tracked
- 7
04 · Newcomers
Brands here are young.
The brands on the shelf have sold for 25 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 25 months
Products
Top Filament Joiner 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 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SUNLU Official Filament Joiner Filament Connector with 200 PCS PTFE Sleeve for 3D Printer Filament 1.75mm 240C Fast Heating Compatible with PLA PETG TPU ABS PA Nylon Easy to Use
- Price
- £28.16
- Rating
- 4.3/5
- Reviews
- 1,305
- Age
- 2y ago

Filament Joiner SUNLU Filament Connector with 200PCS PTFE Sleeve for 3D Printer Filament 1.75mm 240C Fast Heating Filament Splicer Compatible with PLA PETG TPU ABS PA Nylon
- Price
- £30.94
- Rating
- 4.2/5
- Reviews
- 1,152
- Age
- 1y ago

PTFE 600Pcs Suitable for SUNLU Filament Connector 3D Printer Filament 1.75mm Easy to Use High Temperature Resistance up to 240 Thread Welder Compatible with PLA PETG and ABS
- Price
- £11.85
- Rating
- 4.6/5
- Reviews
- 125
- Age
- 1y ago

Filament Welder Connector Premium Aluminum Alloy 3D Printer Filament Connector Sensor for Reliable Multi Color Printing and Broken Filament Repair 1.75mm Red
- Price
- £6.46
- Rating
- 3.2/5
- Reviews
- 9
- Age
- 3y ago

YOOPAI Filament Joiner Filament Connector with 400PCS PTFE Tubes Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Filament Splicer Compatible with PLA PETG TPU ABS PA Nylon
- Price
- £36.82
- Rating
- 4.2/5
- Reviews
- 1,152
- Age
- 1y ago
Trending
estimated 90-day click momentum
Filament Welder Connector Premium Aluminum Alloy 3D Printer Filament Connector Sensor for Reliable Multi Color Printing and Broken Filament Repair 1.75mm Red
- Price
- £6.46
- Rating
- 3.2/5
- Reviews
- 9
- Age
- 3y ago

PTFE 600Pcs Suitable for SUNLU Filament Connector 3D Printer Filament 1.75mm Easy to Use High Temperature Resistance up to 240 Thread Welder Compatible with PLA PETG and ABS
- Price
- £11.85
- Rating
- 4.6/5
- Reviews
- 125
- Age
- 1y ago

CQEAZ 1.75MM Filament Welder Connectors Joiner PTFE Tubes Filaments Splicer Welding Tubes 100/200pcs for 3D Printer Filament Welder
- Price
- £8.03
- Rating
- 3.2/5
- Reviews
- 3
- Age
- 1y ago

SUNLU Official Filament Joiner Filament Connector with 200 PCS PTFE Sleeve for 3D Printer Filament 1.75mm 240C Fast Heating Compatible with PLA PETG TPU ABS PA Nylon Easy to Use
- Price
- £28.16
- Rating
- 4.3/5
- Reviews
- 1,305
- Age
- 2y ago

YOOPAI Filament Joiner Filament Connector with 400PCS PTFE Tubes Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Filament Splicer Compatible with PLA PETG TPU ABS PA Nylon
- Price
- £36.82
- Rating
- 4.2/5
- Reviews
- 1,152
- Age
- 1y ago
Newest
by launch date
CQEAZ 1.75MM Filament Welder Connectors Joiner PTFE Tubes Filaments Splicer Welding Tubes 100/200pcs for 3D Printer Filament Welder
- Price
- £8.03
- Rating
- 3.2/5
- Reviews
- 3
- Age
- 1y ago

VIT SPORT Filament Connector - Ultimate 1.75mm 3D Printer Filament Splicer Up to 240C Fuser & Joiner Compatible with PLA ABS TPU PETG PA/PC Includes 200 Silicone Tubes
- Price
- £27.17
- Rating
- 4.0/5
- Reviews
- 142
- Age
- 1y ago

YOOPAI Filament Joiner Filament Connector with 400PCS PTFE Tubes Sleeve for 3D Printer Filament 1.75mm Fast Heating Up to 240C Filament Splicer Compatible with PLA PETG TPU ABS PA Nylon
- Price
- £36.82
- Rating
- 4.2/5
- Reviews
- 1,152
- Age
- 1y ago

PTFE 600Pcs Suitable for SUNLU Filament Connector 3D Printer Filament 1.75mm Easy to Use High Temperature Resistance up to 240 Thread Welder Compatible with PLA PETG and ABS
- Price
- £11.85
- Rating
- 4.6/5
- Reviews
- 125
- Age
- 1y ago

Filament Joiner SUNLU Filament Connector with 200PCS PTFE Sleeve for 3D Printer Filament 1.75mm 240C Fast Heating Filament Splicer Compatible with PLA PETG TPU ABS PA Nylon
- Price
- £30.94
- Rating
- 4.2/5
- Reviews
- 1,152
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.
Brands
6 flat
Sellers
10
Est. top-5 brand share
97%
Top 20: 100%
Est. top-5 click share
93%
Top 20: 100%
Open market
0%
- SUNLU58%
- YOOPAI20%
- kunphy9%
- Hyuduo6%
- VIT SPORT4%
- CQEAZ3%
Demand
Filament Joiner search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Dec · busiest ÷ quietest = 6.0× · 8 of 12 months tracked
Search terms
Top Filament Joiner search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- filament joiner15K/yr
- filament connector7K/yr
- sunlu filament connector7K/yr
- filament splicer4K/yr
Reviews and returns
What reviews say buyers love and hate about Filament Joiner
We read the reviews and the return reasons for every product selling here.
“Not easy to use”
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 Filament Joiner 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









