ErtelAlsop's all Polypropylene Pleated Filter Cartridges are designed to optimize throughout while achieving absolute and repeatable effluent quality. Our filter media is constructed on the latest continuous Micro-Fiber blowing equipment that accurately controls fiber diameter and integrity. Utilizing state-of-the-art on-line monitoring equipment. We delivers the industry's most uniform and consistent media, ensuring unparalleled product consistency. Our 100% Polypropylene construction provides an expansive chemical compatibility range for your most demanding applications. Benefits Reliable, consistent and repeatable filtration Low pressure drop yields higher flow rates and reduced processing time Maximum pleat design for greater surface area, ensuring longer service life, less downtime and reduced operating costs per cartridge 100% Polypropylene, FDA compliant with CFR 21 Thermally bonded construction, eliminating particle bypass Specifications MATERIALS OF CONSTRUCTION Filter Media: Polypropylene MicrofiberSupport Material: PolypropyleneHardware: PolypropyleneCage: PolypropyleneSealing: Thermal BondGaskets: EPDM DimensionsOutside Diameter: 2.55" (6.48 cm)Lengths: 10" (25.4cm) & 20" (50.8cm) Maximum Operating temperature180F (82C) Continuous Duty Performance specificationsRetention Rating: 1 & 0.5 Micron