The Pentek GD-2501-20BB (DGD-2501-20) 20" Big Blue Filter Cartridge is made of 100% polypropylene filtration media that resists chemicals and the attack of bacteria. This 20" Big Blue Filter provides enhanced purity without affecting color, taste and odor. Also known as part number 555470-43 and DGD-2501-20, the Pentek GD-2501-20BB Cartridge holds up to three times more dirt than similar pleated, spun and string-wound polypropylene filters.
For softener and automatic filtration systems, the Pentek Big Blue Filter Cartridge reduces sediment as a pre-filter. This two-layer cartridge eliminates the need for multiple housing filtration canisters. The larger outer pre-filter of the Pentek GD-2501-20BB 20" Big Blue Cartridge reduces partial load to the inner post filter. This allows the filter cartridge to operate at a higher flow rate with a lower pressure drop.
Pentek GD-2501-20BB 20" Filter Cartridge specifications:
The flow rate of this 20" Gradient Density Cartridge is 6.4 psi @ 10 gpm. This Big Blue Filter Cartridge has an outer pre-filter fine sediment water filter layer of 25 microns and an inner post-filter, extra-fine sediment filter layer of 1 micron. The maximum temperature of this Big Blue Filter is 145 degrees Fahrenheit. With over 200% of string-wound and standard spun-polypropylene filters, the depth of the Pentek GD Series Big Blue Cartridge gives optimum performance and reliability.