Located in Lake Oswego, Oregon, FILBUR Manufacturing (FILBUR) has been producing pleated pool and spa cartridges for over 20 years. FILBUR’s strong background in the pool and spa equipment industry and collaboration with many of the OEM spa manufacturers led to the development of its first line of custom spa cartridges in 1996. With over 700 configurations today, FILBUR has grown from its modest beginnings to become the leading supplier of cartridges to spa manufacturers (OEM’s) in the United States. With an automated, flexible manufacturing environment and in-house new product development, FILBUR is able to accommodate custom applications and short lead times. In 2003 FILBUR expanded its offering to dichotomous earth (DE) grids. With a reinforced center fitting, FILBUR grids set the quality standard in the industry today. FILBUR is committed to the continual strengthening of its leadership position in the design, manufacture, and marketing of filtration products involved in the improvement of water. To achieve this goal, FILBUR is driven by strong core values of honesty, integrity, and a foundation to provide the highest quality products and value to the OEM and wholesale distribution markets. Core Values: Deliver the best of the company to our customers every day. Create an unrivaled environment for superior performance and product quality. Build lasting relationships with our customers. Lead the industry in innovative and new product development.