Worried about annoying landlords with wall drilling when renting? Can’t fit a traditional under-sink purifier in your small space? Desktop water purifiers, with no installation needed and space-saving design, solve these problems perfectly. Below is a breakdown of key buying points, with a focus on INTOPAQUA’s desktop models to help you choose the right solution quickly.
Why Are Desktop Purifiers More Suitable?
Traditional under-sink RO purifiers require drilling, take up space, and are hard to move; INTOPAQUA’s desktop purifiers, with no installation and lightweight portability, are ideal for renters and small spaces:
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Comparison Dimension
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Traditional Under-Sink RO Purifier
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INTOPAQUA Desktop Purifier
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Installation
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Needs drilling & pipe connection, relies on professionals
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Plug-and-use, ready in 5 minutes
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Space Occupation
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Takes under-sink cabinet space, limited for small spaces
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Size of A4 paper, fits on countertop/corner
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Relocation
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Troublesome to disassemble, hard to take away
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About 5kg, easy to carry
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Scenarios
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Owned houses, large kitchens
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Rentals, small spaces, dormitories
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INTOPAQUA Desktop Purifier: 3 Core Advantages
1. No Installation & Easy to Move, Zero Burden
Tank-style water intake eliminates the need for water pipe connection—just add tap water to make purified water. Even women can operate it independently, and it can be carried with one hand when moving, offering flexible and waste-free use.
2. Dual Cartridges + Zero Stagnant Water, Safe for Direct Drinking
Equipped with PPC + RO dual cartridges, it has a filtration precision of 0.0001 microns, removing heavy metals and bacteria, on par with under-sink purifiers. With Zero Stagnant Water technology, the TDS value of the first glass of water is ≤25ppm, ready to drink immediately after pouring.
3. Space-Saving & Smart, Friendly for Small Spaces
Measuring 28×18×35cm, smaller than a large dictionary, it doesn’t take up much space. The 2.5L tank meets the needs of 1-2 people a day. Indicators for filter life and water shortage provide reminders, with thoughtful details.

Avoid Mistakes When Buying: 3 Key Indicators
- Choose RO Reverse Osmosis Models: Ultrafiltration purifiers can’t remove heavy metals; only RO models meet standards, like INTOPAQUA’s.
- Calculate Filter Cost: INTOPAQUA’s filters last up to 2 years, costing less than 1 yuan per day, with a quick-release design for easy self-replacement.
- Check Tank Material: Opt for food-grade PP material (BPA-free) to avoid harmful substances released by low-quality plastics.
Conclusion
Renters and small-space users don’t have to compromise. INTOPAQUA’s desktop purifier requires no installation, saves space, is easy to move, and ensures drinking water safety. If you want clean drinking water, this is the right choice.