this works with 1/4in tubing right?

No, it's designed for the 8mm tubing that comes with Blumat kits and is the size of the tees that come with each Blumat carrot. We do have fittings though that reduce from this to 1/4."

Can I use this for drilling a hole in a 5 gallon bucket to make my own water reservoir, or do i need another connector to attach to this on the bucket

This is all you should need - you unscrew the left half and it with the washer go inside the bucket, the right side on the right.

Does it come with 1 or 2 adapters?

This is just the single bulk bulk-head fittings, if you buy our buckets which comes pre-drilled, those come with 2.

What size drill bit should be used?

1/2 inch, you could use a hole saw but I would prefer a unibit which can be found in the electrical section. It makes a much cleaner cut than the hole saw.

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Blumat 8mm THROUGH-HULL TANK CONNECTOR BULKHEAD for Reservoir/Rain Barrel and Watering Systems

Product ID: 287219678

Details

Brand
Blumat
Colour
Black
Item dimensions L x W x H
5.1 x 4.6 x
Material
Plastic
Size
8mm

🌍Eco-friendly rainwater use

💧Leak-proof washer

🔧8mm universal fit

S$18

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Description

💧 Upgrade your watering game with leak-proof precision!

NO LEAK ASSURANCE - Special internal washer guarantees a watertight seal, protecting your system from drips and damage.
EFFORTLESS INSTALLATION - Simply drill a 1/2" hole and secure—no plumbing expertise required to upgrade your watering setup.
UNIVERSAL COMPATIBILITY - Transforms any reservoir or rain barrel into a smart Blumat water source effortlessly.
SEAMLESS BLUMAT INTEGRATION - Direct 8mm barb connection ensures hassle-free hookup to your Blumat irrigation line.
PREMIUM EUROPEAN CRAFTSMANSHIP - Engineered by the makers of Blumat sensors for unmatched durability and precision.

The Blumat 8mm Through-Hull Tank Connector Bulkhead is a high-quality, easy-to-install fitting that converts rain barrels and water tanks into efficient Blumat irrigation reservoirs. Featuring a leak-proof washer and direct 8mm line compatibility, it ensures a secure, universal connection backed by trusted European manufacturing standards.

Specifications

ASIN	B0017VN5QM
Brand	Blumat
Brand Name	Blumat
Color	Black
Colour	Black
Connector Type	Barb
Connector type	Barb
Customer Reviews	4.5 out of 5 stars 267 Reviews
Global Trade Identification Number	09002683030238
Item Dimensions	5.1 x 4.6 x 4.6 centimeters
Item Weight	0.1 Grams
Item dimensions L x W x H	5.1 x 4.6 x 4.6 centimeters
Manufacturer	Sustainable Village, LLC
Manufacturer Part Number	30238
Material	Plastic
Material Type	Plastic
Model Number	30238
Number of Packs	1
Number of Pieces	3
Size	8mm
Unit Count	1 Count

Reviews

T**F

Gute Wasserdurchführung

Artikel wie beschrieben und hält super dicht. Anschluss und Montage klappte perfekt.

27.07.2026

J**E

Très pratique pour les systèmes Blumat

Raccord de bonne qualité et très pratique pour réaliser le branchement d'un réservoir avec un système Blumat. L'installation est simple et le raccord s'intègre parfaitement au système. Les connexions sont faciles à réaliser et l'ensemble semble solide et fiable. Très pratique pour automatiser l'arrosage sans avoir à raccorder directement le système au réseau d'eau. Un accessoire indispensable pour ceux qui utilisent un réservoir avec un système Blumat. Bon rapport qualité/prix, je recommande 👍

12.08.2026

A**S

It seals and flows.

Does exactly what I expected it to do, air flow with a tight seal, I felt it was a little small at first, but I needed not worry, I used it for air flow though, so, I cannot give advice on flow rates on water with a pump or hydrostatic head.

12.12.2025

T**S

Awesome

Works great

9.04.2024

C**O

Excelente

De calidad

5.07.2021

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TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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S$18

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Received my product in pristine condition. Great service overall.

1 month ago

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