2 Pack - Sediment Depth Cartridge Technology - 5 micron NSF/ANSI Standard 42 Certified Pure 100% Polypropylene Fibers High Dirt Holding Capacity 4.5" x 20", Fits Big Blue & most 4.5" X 20" housings, Weight: 2.3 Pounds, Manufacturer: Hydronix
Fits any brand of 20" x 4.5" filter cartridges 1" female threaded ports allows for high flows and easy installtion Pressure release button makes allows for easier removal of filter housing Mounting holes line up with all standard Big Blue mounting...
0.5 micron carbon block filter Made with NSF certified material High performance coconut shell carbon 100% Compatible fit with excellent filtration capabilities 1250 gal. Capacity, Weight: 2.03 Pounds, Manufacturer: Hydro Guard
5 micron fine sediment filter for cleaner water Graded density for higher dirt holding capacity For optimum dirt-holding, replace about every 2-3 months Materials ANSI/NSF Standard 42 tested and certified, Weight: 10.46 Pounds, Manufacturer: Hydronix
Uses any brand 4.5" x 20" filter NSF standard 42 certified material 3/4" Ports with Pressure Relief Button Durable and high quality Polypropylene Perfect for Hydroponics, Whole House, Commercial or Industrial Use, Manufacturer: Hydronix