Waterdrop WD-PT-72C-A Glass Filter Pitcher: features, specs and who it suits

The Waterdrop WD-PT-72C-A is a 7-cup filter pitcher with a glass body, designed to sit in the fridge and give you filtered water on the spot. Waterdrop pairs it with a replaceable filter and positions it for homes and offices that want to cut down on bottled water. Here is what the specifications mean.

Why a glass body

Most filter pitchers are plastic. Waterdrop makes this one from lead-free glass, which it says gives a better taste and reduces plastic use. Glass doesn't hold on to odours the way some plastics can, which is the usual reason people choose it.

The brand notes two details worth reading. The pitcher has a sturdy plastic inner liner for durability, so it is not entirely glass. And it must not go in the dishwasher, so plan on washing it by hand.

The 6-stage filter

Waterdrop describes six stages of filtration aimed at chlorine, bad taste and odour, rust, sediment and larger particles. The listing title also mentions reducing PFOA/PFOS, cadmium, copper and mercury. These are the brand's claims, and Waterdrop states that performance data comes from a third-party lab. If a particular contaminant matters to you, ask for the lab report and check which standard it was tested against.

Waterdrop states the filter does not reduce TDS (total dissolved solids), so the minerals naturally in your water stay. In general, pitcher filters of this kind are carbon-based, and carbon is effective at taste and odour but different from a reverse osmosis system, which removes dissolved solids.

Alkaline enhancement

The listing describes the pitcher as enhancing alkaline water. Pitchers with this feature typically use a mineral stage that nudges the water's pH upward. Waterdrop doesn't give a pH figure in this listing. It also makes health claims for the water; those are the brand's own marketing language, and this page doesn't repeat them.

Filter life and replacement

Each filter lasts two months or up to 100 gallons (about 380 litres), according to Waterdrop. Your water quality and how much you use will shift that, and the brand itself says actual results vary with water conditions. Plan to replace the filter on schedule, because an exhausted cartridge stops doing its job.

Size and fit in the fridge

The pitcher holds 7 cups and measures 8.1 x 5.9 x 8.5 inches (about 20.6 x 15 x 21.6 cm). Check that dimensions work for your fridge shelf, especially if the shelf height is limited or the door shelf is narrow. A full glass pitcher is also heavier than a plastic one.

Who it suits

It suits households that drink a few glasses of filtered water a day, offices with a shared fridge, and people who prefer glass to plastic. Larger families may find 7 cups empties quickly.

What to check before you buy

• Your water: if you're concerned about a specific contaminant, check your local water report and the standard behind the claim.
• Filter supply: the replacement filter is a separate part with its own model; confirm you can get it.
• Cleaning: hand-wash only, per Waterdrop.
• Fridge space: compare the 8.5-inch height and 5.9-inch width with your shelf.
• Handling: glass needs a bit more care than plastic, even if Waterdrop calls it shatterproof.

The short version

• A 7-cup glass filter pitcher with a plastic inner liner.
• Six-stage filter targeting chlorine, taste, odour, rust and sediment.
• Filter doesn't reduce TDS, according to Waterdrop.
• Filter is rated for two months or about 100 gallons.
• Hand-wash only; about 8.1 x 5.9 x 8.5 inches.

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