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🔧 Seal smarter, not harder — the ultimate tank adapter for pros who demand perfection!
The 1/2" UNISEAL Flexible Tank Adapter is a high-performance, injection-molded rubber seal designed for quick, leak-proof pipe-to-tank connections. Made in the USA, it fits 1/2" pipes with up to 3/8" wall thickness and installs easily with a 1 1/4" holesaw cut. Resistant to chemicals, pressure up to 65 PSI, and extreme conditions, it replaces complex traditional fittings with a durable, single-piece solution favored by professionals.
| ASIN | B072MPV222 |
| Best Sellers Rank | #55,426 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #35 in Compression Bulkhead Fittings |
| Brand | Green Goods |
| Brand Name | Green Goods |
| Color | Black |
| Connector Type | Flange |
| Customer Reviews | 4.6 out of 5 stars 382 Reviews |
| Item Weight | 0.11 kg |
| Manufacturer | Uniseal |
| Manufacturer Part Number | U050 |
| Material | Rubber |
| Material Type | Rubber |
| Model Number | U050 |
| Number of Packs | 2 |
| Number of Pieces | 2 |
| Set Name | 2 |
| Size | 1/2 inch |
| Thread Size | 1 inch |
| Thread Type | NPT |
| UPC | 637262982593 |
| Unit Count | 2 Count |
Y**H
These REALLY WORK!!!!
These little guys are WAY underrated. Holy smokes they install easy! And DON’T LEAK!
N**H
Very durable. Perfect dimensions. Easy.
These are amazing for my application. Tight fit. Perfect for a sealed hole for drop tubes. They feel very durable
G**K
Seem to work quite well
Used these on a water tank. Installation was perfect and they seem to work well
R**A
It works great
Bought for my diy aquaponic system. Couldn’t find one at the big box store. It’s exactly what I needed. Especially appreciate the included measurements reference. I did not have to guess the size hole saw I needed to ensure a snug fit. Would definitely buy again if I want to expand or add to my system
D**B
Water tight
I had trouble using the recommended hole size, but it worked exactly as advertised. No leaks.
X**Z
Works great
Used for van gray water tank. No leaks form a tight seal..
S**H
Works great
This was so easy to install. Just drill a hole, put pipe in the Uniseal and stick it in the pre drilled hole! That' sit! Easy!! No leaks. I used it in a 5 gallon bucket for a homemade fish tank filter.
C**J
Doesn’t create a tight seal with my 1/2” tubing
I only tried one type of tubing with these maybe a different type of tubing would work better?
Trustpilot
5 days ago
3 weeks ago