Pentair Filter 20" Big Blue Sediment Cartridge DGD-2501 25 to 1 MICRON DUAL GRADE POLY. Part #155360-43
✔️ two separate gradient layers for higher particle reduction efficiency
✔️ nominal filtration rating of the pre-filter layer is 25 microns
✔️ rating of the post-filter layer is 1 micron.
✔️ initial pressure drop of less than 1 pound per square inch (psi)
✔️ operates over a temperature range 40 to 145 degrees F (4.4 to 62.8 degrees C).
✔️ meets National Sanitation Foundation/American National Standards Institute (NSF/ANSI) standard 42 for quality assurance
✔️ The nominal filtration rating is for a particle removal efficiency of 85%.
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Product Number SMF 155360-43