recycling one ton of filters could save 1,700 pounds of steel, 30 gallons of used oil, 10 cubic yards of landfill space, 30,000,000 gallons of water pollution, 800 pounds of CO2, 29,000,000/7 btus of energy, 145/8,316 tons of Al, 52,700 gallons of H2O, 5,457/10 kWh of energy, 850 pounds of coal, 34 pounds of limestone, 120 acres of land pollution

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