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🔧 Seal smarter, not harder — the ultimate flexible tank adapter for pros who demand perfection!
The 3/4" Uniseal Flexible Tank Adapter is a premium, American-made thermoplastic fitting designed to create a liquid-tight seal on curved and irregular surfaces. Ideal for 3/4" Schedule 40 PVC pipes, it replaces complex bulkhead fittings with a single injection molded unit that installs quickly and resists pressure, suction, chemicals, and temperature extremes. Perfect for professionals seeking reliable, cost-effective plumbing solutions in industrial and DIY applications.
| ASIN | B00FAFH08U |
| Best Sellers Rank | #16,148 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #741 in Pipe Fittings |
| Brand | Green Goods |
| Brand Name | Green Goods |
| Color | Black |
| Connector Type | Adapter |
| Customer Reviews | 4.7 out of 5 stars 1,170 Reviews |
| Exterior Finish | Black |
| Included Components | Instructions |
| Item Dimensions | 4 x 4 x 1 inches |
| Item dimensions L x W x H | 4 x 4 x 1 inches |
| Manufacturer | The Uniseal Warehouse |
| Manufacturer Part Number | U075 |
| Material | Thermoplastic |
| Material Type | Thermoplastic |
| Model Number | 3/4-Uniseal_parent |
| Number of Pieces | 5 |
| Set Name | Pack of 5 |
| Size | 0.75 Inch |
| Thread Size | 0.75 inch |
| UPC | 799475705762 |
| Unit Count | 5 Count |
K**B
Perfect for curved surfaces!
These work very well and much cheaper, easier to use than standard bulkhead. Definitely worth the price!
J**T
great bulkhead seal. set up in my pond filter scheme.
work perfectly for building a pond filter! I used several.
T**T
Tank Adapters
Worked great as a waterer for pigs, 3/4" pipe fits snuggly as it should with out leaks!! They can be moved which prevents them from breaking!
W**E
Great water barrel fitting
Fit the holes drilled in the blue 55 gallon barrels and made connecting 3/4 pvc pipe a breeze to connect for watering our garden great easy to use product definitely recommend 👌
C**R
Measure your fittings before drilling
Seems to be holding water fine so far. Installation was not great though, because the instructions say to drill a 1.25in hole, but the 3/4in female to slip sch 40 adapter I used required a 1-23/64in hole. 1-3/8in likely would've worked. A 1.25in hole as instructed was too small for the adapter even without the uniseal.
S**Y
These Unseals are amazing, no leaks tight fit
This is my second set of these. I use them for a DIY Water filtration system that I created for My back yard pond and they work perfectly week, I am not sure how they work without leaking any water but they do. I plan to buy a few more 1 inch in the future. Thank you
L**B
Great Product but verify sizes
Product worked great for me. Drilled a 1 1/4" hole in a barrel. Used a 3/4" uniseal with 3/4" PVC with a pig watering nipple on the end. No leaks. It's amazing and the pigs don't break them off. But... my pack of five 3/4" uniseals had 4. The 5th one was 1/2". I got the job done, but I have one piece I won't be using.
D**.
Cheap, simple, and no leaks
I have about 10 of these installed in an aquaponics system that lives in a green house. They are mounted on IBC totes, 55 barrels, and in deep water culture beds made out of pond liner and 2x12 boards. Drill a hole. Wedge 3/4" pvc pipe through them and they keep a seal. No leaks noticed in the few months that I have been using them.
R**E
Excellent seals
Magic seals for fitting pipes to water tanks. I hope someone will take over the supply of these in the UK.
A**R
As described
Used to make a livestock waterer. Made it easy to attach without having to cut the top of the barrel. Will buy again in the future
A**I
Works great
Works perfectly. Just make sure to get the correct hole saw and sand down the edges
Trustpilot
2 months ago
1 month ago