Under-sink water filtration designed to reduce chlorine, lead and PFAS while improving taste. Peace of mind for households that want dependable, low-maintenance drinking water straight from the tap. Is the Waterdrop Under Sink Water Filter System the right fit for your kitchen and maintenance routine?
⚡ At a Glance
- • Filtration Performance: Three filters combine to deliver up to eight stages of filtration, targeting PFAS, PFOA/PFOS, residual chlorine, fluorides, heavy metals, silt, rust and cysts
- • Best for: Households wanting noticeably better-tasting tap water with an easy, low-maintenance under-sink solution
- • Not ideal for: Anyone who needs reduction of Total Dissolved Solids, as minerals are retained and TDS is not lowered
A three-stage under-sink system uses KDF, resin and a CT carbon block to target chemicals and heavy metals. Quick, tool-free installation and long filter lifespans suit busy kitchens.
Cleaner-Tasting Drinking Water - with a three-stage, eight-stage filtration process
A three-filter arrangement delivers an effective eight-stage filtration cascade that includes KDF media to reduce heavy metals, resin to reduce fluorides and a CT carbon filter certified by IAPMO to cut residual chlorine and improve taste.
Noticeable improvement in tap water flavour and odour for drinking and cooking, suitable for everyday kitchen use.
Built for durability and leak resistance - thanks to upgraded, pressure-tested materials
Casing and internal parts use age-resistant and freeze-resistant materials with a thicker construction, and the assembly has passed 400 psi burst testing plus 100,000+ pulse tests at 150 psi and static tests at 300 psi.
Robust construction reduces the risk of cracking or leaking, giving greater confidence for an under-sink installation.
Fast, tool-free installation and near-instant filter changes - with push-to-connect fittings and twist-and-lock filters
Push-to-connect fittings accept 3/8" and 1/2" cold water tubes for straightforward plumbing connection, while the twist-and-lock design allows each filter to be replaced in about three seconds.
A simple DIY install takes only minutes and ongoing filter swaps are quick, cutting maintenance time for busy households.
✨ The 4 Key Reasons for Waterdrop Under Sink Water Filter System
- Coconut-shell carbon block – Improves taste and odour by adsorbing chlorine and organic contaminants
- Long filter lifespans – Replacement intervals up to 12–18 months reduce frequency of maintenance
- Rigorous pressure testing – Passed 400 psi burst and extensive pulse tests for reliable under-sink use
- Quick, tool-free fitting – Push-to-connect and twist-and-lock design enables installation in under three minutes
📋 Technical Details at a Glance
- Category: Kitchen under-sink water filter system
- Brand: Waterdrop
- Model: TSA Under Sink Water Filter System
- Filtration stages: 3 filters delivering up to 8-stage deep filtration
- Reduces: PFAS, PFOA/PFOS, residual chlorine, lead, fluorides, heavy metals, silt, rust, cysts
❓ Frequently Asked Questions
Q: Does the system reduce PFAS and PFOA/PFOS?
A: Yes, filtration is specifically designed to reduce PFAS and PFOA/PFOS alongside other contaminants listed in the product description.
Q: How long do the filters last before replacement?
A: The three filters have lifespans of approximately 6 months, 8–12 months and 12–18 months, depending on use and water quality.
Q: Is installation difficult for a typical homeowner?
A: No, push-to-connect fittings work with 3/8" and 1/2" cold water tubes and the system is intended for tool-free DIY installation that can be completed in minutes.
🏆 Our Verdict
Ideal for households that want clearer, better-tasting tap water with minimal fuss and maintenance. The combination of KDF, resin and CT carbon filtration alongside robust, pressure-tested construction is the system's key advantage. Long filter life and quick, tool-free maintenance deliver ongoing value for busy kitchens.
