Hallmark RO Membranes and Housings

Hallmark Laboratories provides high-quality NSF-approved RO membranes, available in 100 gallons per day (GPD) capacities. These membranes, crafted for durability and optimal performance, are supported by a 3-year warranty. We also offer compatible membrane housings that are designed for a secure fit and seamless integration with RO systems, ensuring long-lasting water purification. Contact us for expert assistance in selecting the right membrane and housing for your system requirements.