How do I install my Puure filter?

Installation takes around 5 minutes — no tools, no plumber, no stress.

1. Check your faucet tip. You need a round aerator that unscrews at the end of the tap. If it turns, you're good to go. Pull-out spray heads and flat or rectangular outlets aren't compatible.
2. Remove the aerator. Unscrew it by hand. If it's stiff, use pliers wrapped in a cloth to protect the chrome. Clear any limescale from the threads before continuing.
3. Find the right adapter. Try attaching the filter directly first. If it doesn't seal cleanly, test the included adapters one by one — always with a rubber washer in place for a watertight fit.
4. Attach the filter. Hand-tighten firmly, keeping it straight. Position the lever facing forward or to the side for easy daily access.
5. Activate the cartridge. Set the lever to filtered mode (horizontal), turn on the cold water slowly, and let it run for 5 full minutes before drinking.

Puure is compatible with approximately 95% of standard faucets. If you're unsure about your tap, take our 2-minute Compatibility Quiz before installing.

None of the adapters fit my faucet

Don't worry — this is rarer than it seems, and we'll get it sorted for you.

The fastest way forward: take our Filter Selection Quiz. It takes 2 minutes and pinpoints the exact adapter for your faucet type.

Alternatively, send us a support request with a photo of your tap — our technical team will identify the right adapter and send it to you free of charge.

In the very rare case where your faucet genuinely has no removable aerator and no adapter resolves it, please contact our customer service team. They will review your situation on a case-by-case basis and offer the best personalised solution — either a free adapter or a full refund, depending on your specific case.

My filter unscrews or moves when the water runs

A moving filter is almost always a sealing issue, not a defect. Work through these steps in order:

1. Check the rubber washer. One seal must sit flat between the faucet and the filter. If it's twisted, missing, or the wrong size, water pressure will push the filter off-axis as it runs. Try a different washer from your kit.
2. Reinstall from scratch. Fully unscrew the filter, check the threads are clean, then reattach it perfectly aligned. Hand-tighten until it feels snug and doesn't rotate.
3. Use a cloth for grip. Wrap a dry cloth around the connection point and give it one final gentle turn. Avoid placing metal tools directly on the stainless steel body.
4. Try a different adapter. Even if one appears to fit, a slightly different adapter can lock in far more securely with the right washer.

Still moving after all of this? Email our team — we'll sort it out at no cost to you.

The filter is leaking after installation

A leak after installation usually has a simple fix. Here are the four most common causes, in order of likelihood:

1. Missing or misplaced washer. A rubber seal must sit perfectly flat between the faucet threads and the filter. This is the cause in the majority of leaks — check this first.
2. Cross-threading. If the filter was screwed on at an angle, it won't seal. Fully unscrew it, align it straight, and reattach carefully.
3. Wrong adapter. A slightly ill-fitting adapter can leak even when it feels secure. Try another from your kit.
4. Not tight enough. Hand-tight is usually sufficient, but if the leak persists, use a cloth and gentle plier pressure for one final turn.

If you've worked through all of these steps and it's still leaking, contact us. We'll identify the right solution and send what you need.

How do I install my Puure® Hydro 2.0 under-sink filter?

Installation of the Puure® Hydro 2.0 under-sink filter takes 15 to 30 minutes, no plumber needed. You only need an adjustable wrench and a small bucket to catch residual water.

What's in the box:

• 1 Puure filter housing
• 1 CTO filter cartridge (activated carbon)
• 1 wall bracket with screws
• 1 PTFE sealing tape
• 1 adapter 3/8" → 1/2"
• 2 braided connection hoses (inlet + outlet)
• 1 quick-connect fitting kit

Choose your connection point — option A (on the cold water hose, most common) or option B (directly on the angle valve). Then follow these 7 steps:

1. Identify cold water & shut off the valve. Open the faucet, touch both pipes — the cold one connects to the filter. Close the shut-off valve clockwise. Place a bucket underneath.
2. Mount the wall bracket (optional but recommended). Choose a spot with clearance for cartridge replacement, mark and drill the holes, then screw the bracket firmly.
3. Assemble the filter. Remove the plastic film from the cartridge, insert it vertically into the head, then lock head and body by rotating clockwise until the marks align.
4. Disconnect the existing cold water hose. Loosen the nut with the wrench, unscrew by hand, and let residual water drain into the bucket.
5. Connect the hoses to the filter. Attach the inlet hose to the IN port (left) and the outlet hose to the OUT port (right). Tighten firmly by hand, then one final moderate turn with the wrench.
6. Connect to the water supply and faucet. Screw the inlet hose to the cold water supply and the outlet hose to the faucet inlet. Tighten moderately — do not overtighten.
7. Turn on the water and check. Reopen the shut-off valve, open the faucet and run cold water for 5 minutes to flush and activate the cartridge.

Maintenance: replace the cartridge every 6 months, wipe the housing every 2 months and check fittings for leaks.

👉 View the full illustrated under-sink installation guide

My faucet is not compatible — how do I measure my aerator and get a free adapter?

If the included adapters don't fit your tap, don't worry — in 9 cases out of 10 the right adapter exists, you just need to identify your aerator size. This 3-minute guide walks you through it, and we'll ship the matching adapter for free with the code ADAPTER45.

Step 1 — Check that your aerator is removable

Look at the very tip of your faucet. You should see a small ring or insert (the aerator). Try to unscrew it counter-clockwise by hand. If it's stuck, wrap a cloth around it and use pliers gently.

Step 2 — Identify male or female thread

Once the aerator is off, look at the inside of the faucet spout:

Step 3 — Measure the diameter

Use a ruler or caliper across the threaded part (where you just removed the aerator). Measure the outside diameter for a male thread, or the inside diameter for a female thread, in millimetres.

Step 4 — Pick your adapter (free with code ADAPTER45)

Here are the adapters we ship for free with your Puure filter:

Still unsure? Send a clear photo of your faucet tip (aerator removed, with a ruler if possible) to customercare@puurefilters.com — our team will identify the right adapter for you and ship it free of charge.