The 2050 odor control sewer vent valve is designed to be a normally closed valve to contain odor, and opens with two vacuum relief valves with as little as 3/8 PSI. When the valve does breath, the air is filtered with an odor insert containing two packets of zeolite, and two of activated impregnated carbon. This valve has been successfully used on both gravity lines and forced mains. They are epoxy coated with a green tint so that fit nicely into the landscape in residential and commercial locations.
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