Gradient Density Sediment CartridgeEach Cartridge Has 3 LayersIncreased Dirt Holding Capacity50 Micron RatingSize: 20" x 2.5"Features & Benefits:Gradient Density, Multi-Layered, Melt Blown Sediment Filter Cartridge.Larger particles are trapped in the outer layers, smaller particles penetrate deeper.Greater dirt holding ability and longer life than non-layered cartridges.Thermally bonded polypropylene micro fibers for purity and chemical compatibilityContains no binders, agents, solvents, antistatic materials or wetting agentsMeets FDA requirements for food and beverage contactNo leachables or extractables to contaminateNo surface binders to reduce flow and increase change-out frequencyCartridges are individually shrink wrappedMicron rating is molded into cartridgeAvailable in wide range of lengths and micron ratingsApplications:Whole House Sediment FiltrationReverse Osmosis PrefiltrationFood and beveragesOil and gasFine chemicalsElectronicsMetal finishingPulp and paperThis cartridge replaces:Clack Corporation 31500988Flow-Pro FPMB50-20GE Hytrex GX50-20GE Purtrex PX50-20Pentek PD-50-20