FlowPure filter

  • Filters every sip (3 stage) - fill up anywhere
  • Up to 99.2% of contaminants reduced
  • Ice-cold for hours - insulated steel
Obsidian Black
Size
Refill Type
Refills auto-delivered
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3-pack delivered every 6 months for £29.99
£49.99£39.99 then £29.99 every 6 months
Low stock available 🇬🇧Fast shipping · no customs charges
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every 6 months
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Refills are £29.99 (3-pack) every 6 months, starting in 2 months
Your order doesn’t just change your water, it changes someone’s life. We donate 10L per order.We donate 10L of water per order.
Frequently asked
We made this for…
The office tap.The one that tastes like the building’s pipes.
The gym fountain.The one you use because you forgot a bottle.
The hotel sink.Thirsty, jet-lagged, and not drinking that.
The supermarket run.Hauling six-packs home because the tap isn’t an option.
Filtration on the move
See it in action

Fill it anywhere. Filtered by the time you sip.

The same bottle from our ads and social — filled from real taps, fountains and hotel sinks. Every sip pulls through the cartridge in the cap.

Chlorine taste & PFAS reduced in the cap Double-wall steel - cold for hours Cartridge swaps in seconds
Inside the cartridge

How each stage helps.

Built for refills on the go

What it takes out of your water.

Chlorine taste & odour

The swimming-pool taste from any tap - gone with every sip.

PFAS - forever chemicals

PFOA & PFOS reduced by over 99%, SGS-tested across the cartridge’s life.

Heavy metals

Lead, copper & mercury targeted with the Advanced cartridge.

Sediment & rust

Stopped in the pre-filter before water ever reaches the core.

Hormones & BPA

Estrone and plastics chemicals, cut by more than 80%.

Pharmaceuticals

Painkiller & antibiotic traces - ibuprofen, naproxen and more.

Pesticides & DEET

Herbicide and insect-repellent residues picked up en route to you.

HAA5 byproducts

Disinfection byproducts that form in the supply network.

Hormones, pharmaceuticals, pesticides & HAA5: Advanced cartridge - emerging compounds independently tested by SGS to the NSF/ANSI 401 protocol.

14Emerging compounds tested
300+Plastic bottles saved per cartridge
~7pPer litre filtered
10 secCartridge swap
FP® Stainless Steel Filter Bottle — Below the fold (FlowPure)
Spec & materials

What’s in the bottle.

FP Stainless Steel Filter Bottle
  • Body304 stainless steel · BPA-free · vacuum-insulated double wall
  • Capacity680 ml or 1 L
  • CartridgeThree-stage cap — Jacobi coconut-shell carbon, carbon fibre, heavy-metal removal media
  • Cartridge life~ 150 L · around 2 months
  • Flow rate600 ml/min
  • CareBody dishwasher-safe (top rack) · cap rinse cold, air-dry
  • Warranty2-year warranty · 100-day returns
Independently tested

Numbers from a third-party lab, not our marketing team.

42
NSF / ANSI 42Taste & chlorine protocol
53
NSF / ANSI 53Health-effects protocol
SGS
SGS lab reportsIndependently verified

PFOA/PFOS reduction verified by SGS across the cartridge’s full life to the NSF/ANSI 53 protocol. Reports NBF24-0002688-03 & XMF24-0010745-01.

Lab report ~ Reduction rate
PFOA & PFOS — “forever chemicals”
>99%
Chlorine taste & odour
>95%
Hormones (estrone)
>85%
BPA
>83%
Pharmaceuticals & pesticides
>80%

Hormone, BPA and pharmaceutical rows: Advanced cartridge, SGS-tested to the NSF/ANSI 401 protocol.

FlowPure Aqua Pro cutaway showing the filter cartridge
150 Lper cartridge · ~2 months
Smart Refill Plan

Never think about refills again.

On autopilot

A fresh 3-pack lands every 6 months, timed to when your current cartridge runs out. No reminders, no reordering.

Long-lasting

One cartridge filters up to 150 litres - about 2 months of daily sipping, or roughly 300 single-use bottles you didn’t buy.

Auto-delivered

Pause, skip or cancel anytime.

Free shipping

On every refill drop.

Why this exists

Filtered water shouldn’t end at your front door.

Most filter systems live in one place — a jug on the counter, a unit under the sink, a cartridge on the tap. None of them help at 4pm on the office floor, in a hotel bathroom at 2am, or on a path in the Lake District.

This bottle exists for the rest of the day. Same media you’d want at home, in something that fits in your bag.

FP Stainless Steel Filter Bottle
4.8out of 5
Based on 902 verified reviews
5 ★88%
4 ★9%
3 ★1.5%
2 ★0.7%
1 ★0.8%
Verified by independent review platform
902 reviews
DS
Deborah S.Manchester, UK
Verified Purchase
Tastes clean out of any tap

Filled it at the office, the gym and a train station this week. Same clean taste every time. The chlorine smell from our kitchen tap is completely gone.

18 May 2026
SK
Steven K.Leeds, UK
Verified Purchase
Cartridge swap takes 10 seconds

Twist the cap, drop the new cartridge in, done. The refills turning up on their own means I never have to think about it.

9 May 2026
BM
Brenda M.Bristol, UK
Verified Purchase
Stopped buying bottled water

Used to grab a plastic bottle every time I left the house. This paid for itself inside a month and the water honestly tastes better.

2 May 2026
SM
Stacy M.Dublin, IE
Verified Purchase
Ice cold all day

Filled it with cold water at 7am, still cold at the school run at 4. The steel feels really solid, not like cheap flask bottles.

27 Apr 2026
MT
Marcus T.Birmingham, UK
Verified Purchase
Great for travel

Took it through three airports and filled it from hotel sinks in Spain. No funny taste anywhere. One star off as the 1L is a squeeze in my car cup holder.

21 Apr 2026
PN
Priya N.London, UK
Verified Purchase
Gym bag essential

The water fountain at my gym always tasted like a swimming pool. Now I just fill up there without a second thought.

14 Apr 2026
Common questions

The honest answers.

Around 150 litres of filtered water through the cap — roughly two months for an average user. Heavier use shortens that. On the Smart Refill Plan we post a fresh 3-pack every 6 months, starting about 2 months in when your in-box cartridge runs out — pause, skip or cancel anytime.
Essential handles everyday water: chlorine taste and odour, sediment and rust — clean, great-tasting water wherever you fill up. Advanced adds enhanced reduction of heavy metals like lead, copper and mercury plus micro-contaminants, for the most thorough filtration. Both fit the same bottle, and you can switch tiers on any refill.
A 2-year warranty on the bottle — if the insulation fails, the threads strip, anything structural goes, we replace it. Plus a 100-day risk-free trial: if it’s not for you, send it back for a refund. Cartridges are consumables.
Yes — in your account, two clicks. You can also pause, skip a month, or change cadence whenever you want.
The 680 ml fits standard car cup-holders. The 1 L is a touch wider — fine in most cars, but worth measuring if you have a tight one.

Filtered water, wherever you happen to be.

Fill it anywhere. No plumber, no plug. 100-day risk-free trial, 2-year warranty, free shipping.