1Nine-stage filtration
A 0.0001 μm DuPont RO membrane sits among PP cotton and coconut-carbon layers to cut TDS, PFAS, fluoride, chlorine and lead. A final coconut-carbon stage removes leftover chlorine taste.
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- UB200T Under-Sink RO Water Filter System
800 gallons a day, a glass in 5 seconds-6%CODE26BTS01UB200T
Hydrofast UB200T Under-Sink RO Water Filter System
A nine-stage reverse-osmosis system that fits under the sink. It makes up to 800 gallons a day, fills an 8 oz glass in 5 seconds, and its 2.5:1 pure-to-drain ratio wastes less water.
5%$369
Price with code · Geekbuying · as of 2026-10-09Code 26BTS01 · 6% off
max $20 · orders over $50 · until 2026-10-31
2Auto-flush and filter alerts
It tells you when a filter is due and auto-flushes to stop sediment building up. Filters twist out without tools, and there’s leak detection.
3Fits tight cabinets
At 13 cm wide the slim body fits narrow under-sink cabinets. A dedicated 360° swivel faucet and a TDS meter are included.
Key specs
- Output
- 800 GPD · 2 L/min
- Pure-to-drain
- 2.5 : 1
- Filters
- PCF + RO (0.0001 μm)
- Power input
- 100–240 V · 96 W
- Size
- 130 × 397 × 376 mm
- Ships from
- US warehouse
Good pick if
- Your tap water’s taste or smell bothers you
- You’re tired of hauling bottled water
Think twice if
- You can’t drill the sink or touch the plumbing
FAQ
Is there a promo code?
Yes. Enter 26BTS01 at Geekbuying checkout when buying the Hydrofast UB200T Under-Sink RO Water Filter System for 6% off. Conditions: max $20 · orders over $50 · until 2026-10-31.
What’s in the box?
A 3-in-1 PCF composite filter, an RO filter, a power adapter, inlet, pure-water and drain tubing, a supply adapter, a drain saddle, a pressure-reducing valve, a TDS meter, a faucet, fittings and clips, and a user manual.
Which voltage does it need?
The adapter takes 100–240 V, so it works in most regions. It’s designed for 0.1–0.4 MPa water pressure.
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