Our take
BWT documents Penguin Ocean Blue SKU 815073 as a 2.7 L jug with 1.5 L filtered capacity, one Magnesium Mineralized Water cartridge, and an Easy-Control electronic counter. Its FAQ lists a 120 L cartridge capacity depending on hardness; the operating manual says to replace no later than four weeks and describes a 100-fill counter. BWT describes chlorine, scale, lead, and copper reductions and magnesium mineralization, but the reviewed sources do not establish a US NSF/ANSI certification. The historic Amazon parents are not mapped to SKU 815073.
Consider SKU 815073 if you want a compact 2.7 L jug, magnesium mineralization, an electronic Easy-Control counter, and a replacement routine tied to both water hardness and elapsed time. The historic Amazon parent is not mapped to this current SKU..
This jug is not a fit if you need a long cartridge interval, confirmed capacity of at least 10 cups of finished water, an all-parts dishwasher-safe design, or a verified US NSF/ANSI certificate. The 2.7 L figure is total vessel capacity, not all filtered water ready at once. BWT's current SKU page supports an electronic counter on model 815073, but other Penguin versions can differ; the old Amazon listing is not mapped to this particular finish, market specification, or cartridge bundle.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- BWT states the 2.7 L total vessel size and separately lists 1.5 L filtered capacity for SKU 815073, making finished-water planning clearer.
- BWT pairs a 120 L hardness-dependent capacity figure with a four-week maximum replacement interval and an Easy-Control reminder on SKU 815073.
- The maker describes magnesium mineralization and chlorine, scale, lead, and copper reduction, while the jug and funnel are dishwasher-safe.
What to weigh up
- The cartridge schedule is at most four weeks, which can mean frequent replacement for households comparing longer targets.
- The lid cannot be washed in a dishwasher even though the jug and funnel can, and the historical Amazon listing is not mapped to SKU 815073.
- BWT's reviewed manual does not establish NSF/ANSI certification, and historic Amazon parent/package mappings remain unresolved.
Specifications and exact model details
The key details
| Model covered | Penguin 2.7 L / Magnesium Mineralizer cartridge family |
|---|---|
| Model and compatible filter | BWT Penguin filtering jug, 2.7 L total vessel; SKU 815073 lists 1.5 L filtered water and one cartridge |
| Pitcher capacity | About 11.4 US cups total from 2.7 L; the 1.5 L finished-water capacity is about 6.3 US cups |
| Documented filter maintenance | BWT FAQ lists 120 L capacity depending on hardness; change by four weeks latest even if the capacity is not reached |
| Maintenance monitor | SKU 815073 has an Easy-Control electronic counter; the Penguin manual describes a 100-fill count and a 28-day maximum, not a liter reading |
| Care and handling | Jug and funnel may be washed in a dishwasher; lid may not |
| Documented reduction and certification scope | BWT describes a four-stage magnesium mineralization system and reduction of chlorine taste, scale, lead, and copper; this is not a reviewed US NSF certification |
Performance figures are manufacturer claims. Source checked October 16, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Separate the 2.7 L vessel from the filtered batch
BWT names the Penguin as a 2.7 L jug, and the Ocean Blue SKU 815073 page lists 1.5 L as the filtered-water capacity. Those measurements answer different questions: the first is the total vessel size, while the second is the amount in the finished-water chamber. Converting 2.7 L gives about 11.4 US cups total; 1.5 L is about 6.3 cups ready to pour. Do not treat an 11-cup total capacity as 11 cups of filtered water after one fill. The listing's historic Amazon parent and exact market package remain unverified.
Expect a four-week cartridge routine
BWT's Penguin FAQ lists 120 liters of capacity for the Magnesium Mineralized Water cartridge at the stated hardness range, about 31.7 US gallons. The manual separately gives the Penguin a 100-fill reference and explains that the indicator counts fillings rather than a literal filtered-liter amount. The same manual says to replace the cartridge no later than four weeks even if capacity has not been reached. SKU 815073 has an Easy-Control electronic counter; the historic Amazon parents considered here are not mapped to that SKU. Water hardness and the calendar limit both matter when planning maintenance.
Understand the mineralization and reduction description
BWT describes a four-stage Magnesium Mineralizer process that adds magnesium and reduces scale, chlorine taste and odor, lead, and copper. Those are maker descriptions in the operating manual and product information. The reviewed material does not provide a US NSF/ANSI certification statement for the Penguin system, so a shopper who requires that kind of certification should seek a separate certificate for the exact cartridge and market. The claim list should also stay specific: magnesium mineralization is not proof of a medical benefit, and no claim for PFOA/PFOS or microplastics is assigned here.
Clean the jug and funnel without putting the lid in the dishwasher
BWT says the jug and funnel can be washed in a dishwasher, but the lid may not. That mixed care instruction can matter if you prefer putting every pitcher part into one wash cycle. The manual also advises avoiding abrasive cleaners and recommends soaking a new cartridge in tap water for five minutes before discarding that water. These directions apply to the documented jug family; the historic listing's color and market version are not mapped. Read the supplied manual if the version you receive differs from the model family described here.
Verify the indicator and package version before buying
The SKU 815073 product page identifies the Ocean Blue model and its Easy-Control electronic counter; the general manual also describes manual indicators for other system versions. A counter or flashing display tracks use and replacement timing, not the presence of lead or other substances in the water. The current SKU page lists one cartridge, but it does not map the historical Amazon parents considered in this review. Use the product article to compare capacity, care, and maintenance, then check the seller's exact model and included cartridge. Shoppers outside the documented market should also confirm local cartridge compatibility, since a shared family name alone does not prove every regional package is identical. The page also gives 11.3 × 27.8 × 25.2 cm width-by-height-by-depth dimensions, useful for checking a refrigerator fit; those measurements are for SKU 815073, not the old listing.
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Before you buy
How much filtered water does the Penguin 2.7 L hold?
BWT lists 2.7 L total capacity and 1.5 L filtered capacity for Ocean Blue SKU 815073. The total vessel figure is not the finished filtered batch.
How often should I replace the cartridge?
BWT says to change it no later than four weeks. The manual's electronic Easy-Control version counts 28 days.
Can I wash every part in the dishwasher?
No. BWT says the jug and funnel can be washed in a dishwasher, but the lid may not.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- BWT Penguin, Vida, and Slim operating manual ↗ — checked October 16, 2026.
- BWT Penguin, Vida, and Slim operating manual ↗ — checked October 16, 2026.
- BWT Penguin Ocean Blue SKU 815073 ↗ — checked October 16, 2026.
Is it the right fit?
Check the exact model and today’s offers on Amazon.