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Glass water filter jug buying guide

Updated: 23 October 2026

You have already decided the reservoir should be glass, and the amazon.co.uk shelf still looks like one product. It is not. A gravity jug, a granule refill, an electric dispenser and a countertop reverse-osmosis unit sit together because each has some glass in the pictures. This glass water filter jug buying guide separates the job first, then the certificate, then whether the body fits where you will keep it. Prices are from the listings captured on 19 October 2026. This is not a lab test. A qualifying purchase can earn us a commission at no extra cost to you. Model rows sit on the [filter glass comparison](/hub/diy-supplies/filter-glass).

You have already decided the reservoir should be glass, and the amazon.co.uk shelf still looks like one product. It is not.

Our top picks

BRITA BRITA glass filter jug

Best overall

BRITA BRITA glass filter jug
8.6/10about £47.49
View offer
Waterdrop Waterdrop M6HG system

Alternative

Waterdrop Waterdrop M6HG system
8.6/10about £429
View offer
AQUAPHOR AQUAPHOR white glass jug

Best value

AQUAPHOR AQUAPHOR white glass jug
8.4/10about £34.99
View offer
On this page
  1. 1.What you are actually buying
  2. 2.Certificate lines, not slogans
  3. 3.Capacity, weight, and the fridge door
  4. 4.What stays plastic
  5. 5.A short decision

What you are actually buying

Start with the job, because the glass is only the reservoir. A gravity jug is for chlorine taste and, where the cartridge uses ion exchange, some temporary hardness. Granules in a stainless cartridge, a large mineral reservoir, and an electric dispenser are still taste tools with a pump or a wait. The Waterdrop M6HG is countertop reverse osmosis. Its bullets say it reduces total dissolved solids. A standard jug does not, and the PT-72 bullets say so. If a lower reading is why you are shopping, read jug or reverse osmosis. Public mains are already required to be wholesome, and a domestic jug is optional.

Certificate lines, not slogans

A stack of standard numbers is not a shopping list of everything removed. NSF/ANSI 42 covers aesthetic claims such as chlorine taste and odour. NSF/ANSI 53 covers health-effect claims listed for that model only. NSF/ANSI 58 is the reverse-osmosis standard. NSF/ANSI/CAN 372 means the materials are lead-free. It does not mean the filter removes lead from the water. Both PT-72 colours print NSF/ANSI 42, 53 and 372, and they still say the jug does not lower TDS. The M6HG highlight prints NSF/ANSI 58 and 372. BRITA names chlorine, limescale, lead, copper and PFAS and does not print an NSF number. Aquaphor does not print one either. Santevia says tested to NSF and does not print 42, 53 or 58. Quote the number on that listing, or say it is absent.
BRITA BRITA glass filter jug

Testsieger

BRITA BRITA glass filter jug
8.6/10about £47.49
View offer

Capacity, weight, and the fridge door

Filtered capacity is the water you can pour, not the water you tip in. BRITA’s bullets say 1.5 litres filtered. The specification says 2.4 litres. Both figures stay. The Aarke states 1.7 litres filtered inside 2.8 litres total. Several other rows only give the total fill. The BRITA glass jug is 13.8 × 19.3 × 27.7 cm. The PT-72 is 25.5 × 20.5 × 27.5 cm, and reviews say it misses a fridge door. Systems at 8.22 kg and 9.89 kg stay on the counter. Change BRITA at four weeks or 150 litres, and Aquaphor at 60 days or 200 litres, whichever comes first. The routine is on how to use a glass water filter jug.

What stays plastic

Glass in the title is the reservoir, not a promise that the water only touches glass. BRITA’s material line lists borosilicate glass, a silicone ring and plastic, and UK reviews describe a plastic lid and inner parts. Aquaphor’s material line says glass, and UK reviews call the flip-top lid cheap plastic. The PT-72 body is borosilicate with a plastic insert and liner. The Aarke cartridge is stainless, and the handle is still ocean-bound plastic. Look at the lid, the funnel and the cartridge before you decide a plastic jug was the thing you were avoiding.

A short decision

Choose a gravity jug if you want less chlorine taste, you will change a cartridge, and you have measured the shelf. The BRITA glass jug has the review count that is not duplicated. The Aquaphor white jug is the lowest price with one cartridge. Choose the Aarke for a refillable steel cartridge, the ED12W only if you will check the plug yourself, and the M6HG only if you want TDS reduced and will empty a waste tank.

Common questions

Is a glass jug safer than tap water?
No. The Drinking Water Inspectorate’s position is that public mains water is already required to be wholesome, and a home filter is optional. A glass jug can change taste and, with ion exchange, some temporary hardness. It is not a health-protection device, and it does not replace your water company’s report if you are worried about a named contaminant.
Which listings name NSF/ANSI 42, 53, 58 or 372?
Both PT-72 colours print NSF/ANSI 42, 53 and 372 on the highlight. The M6HG prints NSF/ANSI 58 and 372. BRITA, Aquaphor, Aarke and the ED12W do not print a standard number in this capture. Santevia says tested to NSF and does not print 42, 53 or 58. Standard 372 is about lead-free materials, not about removing lead from the water.
Does the electric dispenser state a UK plug?
The ED12W says it is electric and includes a power adapter. It does not say Type G. The M6HG listing does say Type G. Do not copy the plug from one Waterdrop model onto the other. If a BS 1363 plug matters before you pay, the ED12W page in this capture does not settle it.
Why do two Waterdrop jugs show 17,655 reviews?
The white and black PT-72 listings print the same 4.6 from 17,655, the same rank and the same opening review texts, including a review of a Lucid jug. Treat that as one shared pool. BRITA’s 4.3 from 4,649 is the large count in this capture that is not duplicated onto a second listing in the same way.
When is a jug the wrong machine?
A jug is the wrong machine when you need total dissolved solids reduced. The PT-72 bullets already say that jug does not lower TDS. The M6HG is the reverse-osmosis row in this set, with waste water in the bullets. A jug is also the wrong response to a do-not-drink notice from your water company.

Related pages

Filter glass and hard water

Filter glass

Best glass water filter jug UK: a review-count rule

How to use a glass water filter jug, then store it

Water filter jug vs reverse osmosis on the counter

Sources

Public UK sources and the amazon.co.uk listings compared on this page. Updated 22.10.2026.

  1. DWI: domestic water filters and softeners (retrieved 22.10.2026)
  2. DWI: water hardness (retrieved 22.10.2026)
  3. DWI: chlorine (retrieved 22.10.2026)
  4. DWI: PFAS and forever chemicals (retrieved 22.10.2026)
  5. Water UK: Looking after water in your home (retrieved 22.10.2026)
  6. Water fittings regulation 4 (retrieved 22.10.2026)
  7. NSF: NSF/ANSI 42, 53 and 401 (retrieved 22.10.2026)
  8. BRITA jug instructions (2026 PDF) (retrieved 22.10.2026)
  9. Which?: water filter jugs (retrieved 22.10.2026)