Product: Pentair Pentek DGD-2501-20 Big Blue Sediment Water Filter, 20-Inch, Whole House Heavy Duty Dual-Gradient Density Spun Polypropylene Replacement Filter Cartridge, 20" x 4.5", 1 Micron
Brand: Pentek
Color: White
KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates
FITS ALL 20" Big Blue or other heavy duty housings and can replace any 20" x 4.5" sediment filter cartridge
ACHIEVES UP TO 3X  the dirt holding capacity of similar size sediment cartridges
NSF CERTIFIED for your peace of mind.
REPLACE EVERY 6 MONTHS or when you notice a drop in water pressure or quality

Search query: pentek big blue filter
Relevance: Substitute