Home › HP99 — 3-Stage Direct Connect Under-Sink System
HP99 — 3-Stage Direct Connect Under-Sink System
Maximum drinking-water protection: sediment, chlorine, and 0.5-micron lead removal — up to 98.88% (IAPMO R&T tested to NSF/ANSI 53) — while retaining beneficial minerals.
£129.99
inc VAT · free UK delivery · SKU HH2O-HP99
Buy now✔ NSF/ANSI certified components · ✔ WRAS-approved fittings · ✔ 14-day returns · 🇬🇧 UK stock
↺14-day returnsChanged your mind? Full refund within 14 days.
🚚Free UK deliveryDispatched from Birmingham, tracked as standard.
✅Independently testedIAPMO R&T to NSF/ANSI 53. WRAS fittings.
📧Real UK supportEmail a person in Birmingham, not a call centre.
Sold by Smart MCS Ltd, registered in England & Wales, company no. 08605448.
Registered office: 172 Colchester Road, Ipswich, Suffolk IP4 4RS. Dispatched from Birmingham.
Secure card payments handled by Stripe.
Registered office: 172 Colchester Road, Ipswich, Suffolk IP4 4RS. Dispatched from Birmingham.
Secure card payments handled by Stripe.
Why this system
- Stage 1 SED sediment (5–10 µm) → Stage 2 CB1 3-in-1 carbon block → Stage 3 CB2 0.5 µm lead-removal carbon
- Removes PFOS/PFOA and heavy metals; keeps beneficial minerals
- Direct connect to your existing tap — pressure regulator and braided hoses included
- DIY install in about 20 minutes; no plumber needed
- Replacements: SED every 3–6 months (£12.99) · CB1 every 8–12 (£24.99) · CB2 every 12–18 (£29.99)
How it compares
| Happy H2O HP99 | Osmio EZFITPRO-100 | Water2 Pod | |
|---|---|---|---|
| Price | £129.99 | £167+ | £103 + £99/yr capsule |
| Lead removal | Up to 98.88% (IAPMO tested) | varies by model | not certified equivalent |
| Filter cost / year | ~£73 | ~£100+ | £99 |
| Certified components | NSF/ANSI 42 & 61 media, IAPMO NSF/ANSI 53, WRAS fittings | yes | partial |
Competitor prices checked July–August 2026 from public listings; they may change. We aim to be the best-certified system at the price — never the cheapest unverified import.
Installation guides · Replacement filters & Subscribe-and-save · Delivery & returns