GrowMax Replacement Pipe for RO and Water Filtration Systems
GrowMax Replacement Pipe for RO and Water Filtration Systems
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Order by 3pm Mon–Fri — we aim to post same day · FREE Express Delivery over £60 · 1–2 working days · Free Wembley pickup
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Replace the tubing before it costs you a flood
Rigid pressure tubing for building, extending or repairing reverse osmosis and water filtration systems. Three internal diameters are available - 1/4 inch in black and 3/8 inch in blue on 10 metre rolls, and 1/2 inch in white on a 5 metre roll - so you can match whatever fittings your unit uses. Manufactured from PTFE, it stays light in the hand but firm enough to hold its shape in a push-fit connector, which is what keeps a joint sealed under mains pressure.
Key Benefits
- Three bore sizes - 1/4, 3/8 and 1/2 inch to suit inlet, waste and product lines.
- 5 and 10 metre rolls - Enough length to reach a reservoir in another part of the room.
- Colour coded - Black, blue and white by size, so lines stay easy to trace.
- Rigid but light - Holds shape in push-fit fittings without kinking on gentle bends.
- Build or repair - Ideal for customising a filtration rig as well as swapping tired tubing.
What Happens When Tubing Gives Up
Filtration tubing is under constant mains pressure and spends its life bent around a corner or a stand. Over time it goes soft at the fittings, and a soft pipe end no longer grips the collet properly. The result is a weep that turns into a burst while you are out, usually onto a floor full of electrics. Replacing runs as soon as they lose their rigidity takes ten minutes and saves you the aftermath.
How to Use
- Turn the water supply off and depressurise the system before starting.
- Cut the tubing square with a sharp cutter - an angled cut will leak.
- Push the pipe fully home into the fitting until it seats.
- Tug the pipe gently to confirm the collet has gripped.
- Repressurise slowly and check every joint before leaving it unattended.
Specifications
| Material | PTFE plastic |
|---|---|
| Internal Diameters | 1/4 inch, 3/8 inch, 1/2 inch |
| Lengths | 1/4 inch - 10m, 3/8 inch - 10m, 1/2 inch - 5m |
| Colours | Black (1/4"), Blue (3/8"), White (1/2") |
| Use | Reverse osmosis and water filtration systems |

FREE Express Delivery on orders over £60. We aim to post same day on Express Delivery — order by 3pm Mon–Fri — and delivery takes 1–2 working days. A few harder-to-stock or large, bulky items can take a little longer — we'll tell you if that applies to your order. Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.