Under Sink Pre-Filter for Reverse Osmosis Water System, 40 Micron Stainless Steel Mesh, DN25

A Reliable First-Stage Filter for Your Water System This 40-micron pre-filter is designed as the first step in a reverse osmosis water purification system, working to remove rust and sediment before water reaches the main filtration stages. The stainless steel mesh and copper cover provide durable, long-lasting performance for under-sink and whole-house domestic installations. With a DN25 connection size, it integrates neatly into standard plumbing setups, making it a practical choice for homes looking to protect their water appliances such as water purifiers, water heaters and RO systems. Built to Perform The filter is constructed from forged brass, offering strength and resistance to everyday wear. Its 40-micron stainless steel mesh effectively captures larger particles, helping to safeguard downstream equipment and improve the efficiency of your overall water system. The design also includes a siphon backwash function, allowing for straightforward cleaning and maintenance without the need to dismantle the unit. Leak-Resistant Design A 0-type rubber sealing ring is incorporated to help prevent leakage at the connection point, giving you added confidence during operation. This attention to sealing makes the filter suitable for continuous use in domestic water lines, whether installed under the sink or as part of a whole-house filtration setup. Easy Integration Compatible with standard DN25 pipework, this pre-filter is straightforward to fit into existing plumbing. Its compact build suits under-sink installations, while the robust materials ensure it can handle the demands of whole-house use. For anyone setting up a reverse osmosis system or upgrading an existing water line, this pre-filter offers a dependable first line of defence.