Inline valve by The Grow Guys

Inline valve by The Grow Guys

IG-VALVE-4mm

$1.75
/
Tax included. Shipping calculated at checkout.
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  • Handpicked by growers
  • Ships today
  • Real advice, real people
  • 6,596+ high-yielding customers
  • 30-day returns*
  • Free shipping over $499*
  • In stock, ready to ship
  • Backordered, shipping soon

Pairs well with

🌿 Twist. Click. Water with Intent.

Inline valves: the underrated MVPs of any grow setup. Whether you’re rocking a 4mm microline or a chunky 25mm beast, this little beauty gives you full throttle control of your water flow - no leaks, no BS.

🔹 Key Features

🔥 Instant flow control – go from full blast to a gentle drip in a twist
💧 Tight seal, no leaks – keeps every drop right where it should be
🧱 Built tough – UV-resistant plastic that can handle Aussie sun and pressure
📏 Available in 5 sizes – 4mm, 6mm, 13mm, 19mm, and 25mm to suit every grow

🛠️ How to Use It

  1. Cut your irrigation line cleanly at the desired point.

  2. Push each end firmly onto the valve - tight fit means no leaks.

  3. Use the top dial to open, close, or tweak flow as needed.

  4. Pair it with drippers, emitters, or open lines for custom control.

🌟 Grow Guys Tips

Label your lines by size and purpose - makes future upgrades a breeze. And if you’ve got multiple zones, use different valve colours or tags so you’re not guessing mid-feed.

🧃 Perfect For

Any hydro or garden setup that needs zone control or manual water tweaking. Ideal for DWC, drip, coco, or soil systems. A must-have for DIY grow rigs and pros alike.

📦 Specs & Stuff

  • Sizes: 4mm, 6mm, 13mm, 19mm, 25mm

  • Material: UV-stable ABS plastic

  • Colour: Black & Green

  • Fit: Push-fit for poly and irrigation tubing

🚀 Click it in. Crank it up. Dial it down.

Grab a few and take total control of your water game - precision is power,

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Customer Reviews

Overall rating: 5.0 / 5 from 2 reviews.

Growers First, Retailers Second

Welcome to The Grow Guys

We built The Grow Guys from the soil up — well, coco and perlite. Before we sold gear, we bought it, ran it, and learned the hard way what's worth the money and what ends up in the shed. That's the filter everything on our shelves passes through. No sales scripts, no rebadged junk, no telling you what you want to hear. Just gear we'd run ourselves and advice from people who actually grow. Chasing higher yields, tighter flowers, or your first harvest? You're in the right place.

Meet The Grow Guys

FAQs

How fast do you ship?

Order by 2pm and it ships the same business day from Invermay, Tasmania.

How much is shipping?

Calculated at checkout by weight and destination. Free shipping over $499*.

Is the packaging discreet?

Plain packaging, no branding. No one knows what's in your box.

What's your returns policy?

30-day change-of-mind returns on unopened, unused products. A 10% restocking fee applies and return shipping is at your cost.

Can I get advice before buying?

Call, email, or walk into the Invermay shop. You'll get a grower on the other end, not a script.

Do you have a physical store?

Unit 10/110 Gleadow Street, Invermay 7248. Mon–Fri 8:30am–5:30pm, Sat 9am–3pm.

Inside The Grow Guys hydroponics store in Invermay, Tasmania

Still got a question?

Talk to a grower, not a script

Tell us your space and what you want to grow. We'll point you to the gear that fits, and tell you what you can skip.

Call 0481 735 126

Mon–Fri 8:30am–5:30pm · Sat 9am–3pm

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