- The PP filter, UF filter, and CT filter are compatible with Waterdrop WD-TST-UF stainless steel 3 stage filtration system
- 6-stage filtration layers filter out most harmful substances, including bacteria and improve water taste.
- The PP filter lasts 6-8 months, UF filter lasts up to 12 months, and CT filter offers an ultra-long life of up to 24 months, which reduces replacement frequency.
- You will quickly replace the internal filter without the need to purchase extra components.
- Extensive and stable water flow rate is up to 1.59 GPM. You can fill a 8oz cup of water in 2.3s.
Model number
WD-P1, WD-U2 , WD-C3
Operating temperature
40-100℉ (5-38℃)
Working pressure
15-87 psi/ 0.1-0.6 MPa
Flow rate
1.5 GPM (tested under 60 psi)
Feed water requirement
Municipal tap water
Filter capacity
First P1 filter: up to 6-8 months
Second U2 filter: up to 12 months
Third C3 filter: up to 12-24 months
What is the difference between TST-UF and TSA-10?
What is the difference between the TST-UF and WD-UA?
How do I replace the filter for this stainless steel water filtration system?
How long is the filter life of this 3-stage undersink water filter?
What contaminants can this 3-stage undersink water filter reduce?
What are the pros of this stainless steel 3 stage filtration system?
Can the Waterdrop stainless steel water purifier be recycled?







Thank you for subscribing!
We are thrilled to have you on board and look forward to sharing exciting updates, exclusive offers, and valuable insights with you.