---
product_id: 402254528
title: "UNISEAL 3'' Flexible Tank Adapter (bulkhead)"
brand: "green goods"
price: "€ 37.92"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/402254528-uniseal-3-flexible-tank-adapter-bulkhead
store_origin: CY
region: Cyprus
---

# Installs in minutes Fits tanks up to 3/8" wall Made in USA quality UNISEAL 3'' Flexible Tank Adapter (bulkhead)

**Brand:** green goods
**Price:** € 37.92
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your plumbing game with the flexible tank adapter that just works!

## Quick Answers

- **What is this?** UNISEAL 3'' Flexible Tank Adapter (bulkhead) by green goods
- **How much does it cost?** € 37.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/402254528-uniseal-3-flexible-tank-adapter-bulkhead)

## Best For

- green goods enthusiasts

## Why This Product

- Trusted green goods brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Installation:** Get your system up and running in minutes with easy-to-follow instructions
- • **Durable Alcryn Material:** Engineered for longevity and leak-proof performance under pressure
- • **Proudly Made in the USA:** Trust in American manufacturing standards for reliability and quality
- • **Universal Compatibility:** Designed for tanks with up to 3/8" wall thickness, ensuring versatile use
- • **Precision Fit for Curved Surfaces:** Seamlessly attaches pipes to drums, buckets, and more where bulkheads fail

## Overview

The UNISEAL 3" Flexible Tank Adapter is a robust, American-made solution designed to connect pipes to curved containers where traditional bulkheads fall short. Crafted from durable Alcryn, it fits tanks with walls up to 3/8" thick and installs quickly with detailed instructions, making it the go-to choice for professionals seeking reliable, leak-proof connections.

## Description

UNISEAL 3'' Flexible Tank Adapter (bulkhead)

## Features

- Made in the USA
- Installs in minutes
- Comes with detailed instructions
- Compatible with tanks up to 3/8” wall thickness
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Uniseal |
| Part number | U300 |
| Item Weight | 68 g |
| Product Dimensions | 11.91 x 11.91 x 1.83 cm; 68.04 g |
| Item model number | U300 |
| Colour | Black |
| Material | Alcryn |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Alcryn
- **Brand:** GREEN GOODS
- **Colour:** Black
- **Item dimensions L x W x H:** 11.9 x 11.9 x 1.8 centimetres
- **Connector type:** Adapter
- **Thread type:** UN
- **Item weight:** 68 g
- **Number of pieces:** 1
- **Manufacturer:** Uniseal
- **UPC:** 799475705793

## Images

![UNISEAL 3'' Flexible Tank Adapter (bulkhead) - Image 1](https://m.media-amazon.com/images/I/6131G8MRNCS.jpg)

## Questions & Answers

**Q: What size hole saw should be used for a 3" Uniseal?**
A: 4" hole saw.  The link below has a chart for the various sizes.

http://www.unisealshop.com/page.cfm?page=3

**Q: What temperature can this withstand, I am considering this for an automotive application and was wondering if it can handle engine bay heat**
A: I used this product for pond plumbing. I don't think this can handle the amount of heat.

**Q: Will this work on a 55 gallon plastic drum? (Round side?)  Thanks**
A: Yes. It works well when executed correctly.. I have one in a huge tank twenty feet in the air. It has set for seven years and not leaked a drop. It has a four foot hole, and holds 3,000 gallions. Wish that this helps. Uniseal..

**Q: What pipe would work with this? a 3-inch pvc pipe has a outside diameter of greater than 3 in and is far bigger than the hole in the uniseal**
A: Uniseals are labeled for the size pipe they work with,  This uniseal is designed to work with 3" SCH 40 PVC pipe.

## Frequently Bought Together

- 3'' UNISEAL Flexible Tank Adapter (bulkhead)
- 2" Uniseal Flexible Tank Adapter - Perfect for Attaching 2-inch pipe to Curved Surfaces, Storage Drums, Buckets, and More - Ideal for Situations Where Bulkheads Fail - 2 Pack
- 1 1/2" UNISEAL Flexible Tank Adapter (Bulkhead) - 2 Pack

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**Shop now:** [https://www.desertcart.com.cy/products/402254528-uniseal-3-flexible-tank-adapter-bulkhead](https://www.desertcart.com.cy/products/402254528-uniseal-3-flexible-tank-adapter-bulkhead)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-12*