Our product rankings are based on analysis of thousands of customer reviews, brand reputation, pricing trends, and popularity data. They represent our honest opinion and are intended as a helpful starting point for your research. Some links on this site are affiliate links — if you buy through them, we may earn a small commission at no extra cost to you. This helps us keep the site free and up to date.
The Cellthyhomes S01 delivers 800 gallons per day of purified water through advanced multi-stage filtration. This tankless system removes contaminants down to 0.0001 microns including microplastics, heavy metals, chlorine and pharmaceuticals.
What makes this Reverse Osmosis Water filter special? The twist-and-pull bayonet design allows filter changes without tools. Built-in LED indicators track filter life whilst the compact 44cm x 15cm x 44cm dimensions fit under standard kitchen sinks.
NSF and CE certified components ensure reliable performance. The system includes a dedicated chrome tap, all fittings and provides water at under 2p per litre - paying for itself within months compared to bottled water costs.
The Cellthyhomes S01 produces 800 gallons per day at a flow rate of 2 litres per minute. This capacity easily meets household demands without requiring storage tanks. The system provides instant access to filtered water whenever needed, making it suitable for families of all sizes and light commercial applications.
The system removes contaminants down to 0.0001 microns including microplastics, forever chemicals (PFAS), pesticides, chlorine, heavy metals, fluoride, nitrates, bacteria, pharmaceuticals and VOCs. The multi-stage filtration combines PP sediment filtration with carbon block technology and RO membrane filtration for comprehensive contaminant removal.
Installation is straightforward with all fittings and pipes included. The compact 44cm x 15cm x 44cm dimensions fit under standard UK kitchen sinks. The system includes a dedicated chrome drinking tap and detailed instructions. Most homeowners can complete installation in 1-2 hours, though professional installation is recommended for complex plumbing situations.
Filters typically last 6-12 months depending on water quality and usage. The twist-and-pull bayonet design allows tool-free replacement in seconds. Replacement filters are available directly from Cellthy Homes. The system produces water at under 2p per litre, making it highly cost-effective compared to bottled water.
Yes, the system is corded electric and requires mains power for the pump and monitoring system. The built-in LED indicators track filter life and system performance, alerting users when maintenance is needed. Power consumption is minimal, similar to a small kitchen appliance.
The system maintains excellent flow rates at 2 litres per minute through the dedicated drinking tap. The high-capacity design ensures consistent performance without pressure drops. Your existing kitchen tap remains unaffected as the system uses a separate dedicated tap for filtered water.
The system includes the main unit, dedicated chrome drinking tap, all necessary fittings, pipes and installation hardware. No additional components are required for standard installations. The package provides everything needed to connect to existing plumbing and start producing filtered water immediately.
The system produces water at under 2p per litre compared to bottled water costs of 50p-£1+ per litre. For average household consumption, the system pays for itself within months. Over its lifespan, it saves thousands of pounds whilst eliminating plastic waste and delivery logistics.
| Brand | Cellthyhomes |
| Model Number | S01 |
| Manufacturer | Hidrotek |
| ASIN | B0GKP2ZLJQ |
| Installation Type | Under Sink |
| Purification Method | 0.0001um Reverse Osmosis |
| Power Source | Corded Electric |
| Maximum Flow Rate | 2 Litres Per Minute |
| Daily Capacity | 800 Gallons Per Day |
| Filtration Precision | 0.0001 Microns |
| Length | 44 cm |
| Width | 15 cm |
| Height | 44 cm |
| Material | Plastic Cover, Metal Faucet |
| Filter Types | RO Membrane, PP Spun Filter, Block Carbon Filter |
| Filter Life | 6-12 Months |
| Filter Replacement | Twist and Pull Bayonet Design |
| Included Components | Dedicated Chrome Faucet |
| Smart Features | LED Status Indicator, Filter Replacement Reminder |
| Certifications | NSF Certified, CE Certified |
| TDS Reduction | Yes |
| Water Softening | Yes |
| Limescale Reduction | Yes |
| Pure to Drain Ratio | Low |
| Unit Count | 1 |
| Smart Home Compatible | No |
| Tools Required | None for Filter Changes |
| Cost Per Litre | Under 2p |