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Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve …
Allow air to enter DWV systems to equalize pressure when water drains out of the system; eliminate the need for costly roof penetrations and vent piping. 1ATD5 vents up to 500 DFUs on a stack; 1ATD6 vents up to 160 DFUs on a branch and up to 24 DFUs on a stack. 15W940 has a replaceable carbon filter to reduce plumbing drainage system odors.
$23.64
Original: $67.55
-65%Studor - 20302 - Maxi-Vent 3-Inch to 4-Inch Air Admittance Valve …—
$67.55
$23.64
Description
Allow air to enter DWV systems to equalize pressure when water drains out of the system; eliminate the need for costly roof penetrations and vent piping. 1ATD5 vents up to 500 DFUs on a stack; 1ATD6 vents up to 160 DFUs on a branch and up to 24 DFUs on a stack. 15W940 has a replaceable carbon filter to reduce plumbing drainage system odors.
