Huge Filter Housings - These massive filter housings have big 1" openings. This allows for the strongest possible water pressure up to 20 gallons per minute! Multi-Layer Sediment Filter - This special filter has 4 different layers to trap as much dirt as possible. The layers go down to filtering out tiny 1 micron particles nominal. Massive Carbon Filter - The replaceable coconut shell carbon filter can purify 100,000 gallons of water. That's enough clean water for a family of 4 for a full year! Amazing Purification - This filter removes up to 95% of sediment, chlorine, chemicals, microplastics, funny tastes/smells, and 1000s of other gross contaminants. Time and Money Saver - The oversize filters improve water flow to showers and appliances. And you don't have to replace them as often since they're so big!