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  • Studor 20302 Mini-Vent 3-Inch to 4-Inch Air Admittance Valve

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    From $38.29 (New)
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Buy from Amazon $49.92$16.00 $41.25 $32.50 $23.75 Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016 $42.65, Dec 21 - Feb 12$35.83, Dec 21 - Feb 25$42.75, Feb 13 - Apr 5$35.83, Dec 21 - Feb 25$42.75, Feb 13 - Apr 5$33.80, Feb 26 - Feb 27$42.75, Feb 13 - Apr 5$35.83, Feb 28 - Mar 2$42.75, Feb 13 - Apr 5$33.80, Mar 3 - Apr 25$40.67, Apr 7 7:16 am$33.80, Mar 3 - Apr 25$40.70, Apr 8 - Apr 21$33.80, Mar 3 - Apr 25$42.75, Apr 27 - May 12$33.80, Apr 27 - Sep 12$45.11, May 14 - Aug 10$33.80, Apr 27 - Sep 12$44.67, Aug 12 - Aug 17$33.80, Apr 27 - Sep 12$45.94, Aug 19 - Aug 29$33.80, Apr 27 - Sep 12$44.76, Aug 31 4:22 am$33.80, Apr 27 - Sep 12$43.88, Sep 2 - Sep 4$33.80, Apr 27 - Sep 12$43.44, Sep 6 1:20 am$33.80, Apr 27 - Sep 12$41.38, Sep 8 - Sep 10$33.80, Apr 27 - Sep 12$40.57, Sep 12 12:21 am$33.80, Apr 27 - Sep 12$40.16, Sep 13 11:31 pm$33.65, Sep 13 11:31 pm$39.77, Sep 15 - Sep 19$33.26, Sep 15 - Sep 19$39.37, Sep 21 9:20 pm$32.88, Sep 21 9:20 pm$38.99, Sep 23 9:26 pm$32.50, Sep 23 - Sep 25$45.21, Sep 25 9:43 pm$32.50, Sep 23 - Sep 25$34.96, Sep 27 - Oct 1$30.50, Sep 27 9:05 pm$34.96, Sep 27 - Oct 1$28.26, Sep 29 9:15 pm$34.96, Sep 27 - Oct 1$22.00, Oct 1 - Oct 4$35.93, Oct 4 - Oct 12$22.00, Oct 1 - Oct 4$35.93, Oct 4 - Oct 12$16.00, Oct 6 2:35 am$35.93, Oct 4 - Oct 12$33.25, Oct 8 - Oct 12$45.94, Oct 14 - Nov 13$33.80, Oct 14 - Dec 29$45.94, Oct 14 - Nov 13$33.80, Oct 14 - Dec 29$23.24, Nov 11 8:07 am$45.94, Oct 14 - Nov 13$33.80, Oct 14 - Dec 29$25.28, Nov 13 10:20 am$46.39, Nov 15 - Dec 16$33.80, Oct 14 - Dec 29$28.02, Nov 15 1:16 pm$46.39, Nov 15 - Dec 16$33.80, Oct 14 - Dec 29$30.71, Nov 17 5:46 pm$46.39, Nov 15 - Dec 16$33.80, Oct 14 - Dec 29$33.74, Nov 19 11:10 pm$46.39, Nov 15 - Dec 16$34.22, Nov 22 4:34 am$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$34.15, Nov 24 10:32 am$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$34.07, Nov 26 5:09 pm$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$33.95, Nov 29 2:06 am$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$33.87, Dec 1 1:12 pm$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$33.99, Dec 4 12:52 am$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$33.80, Oct 14 - Dec 29$33.05, Dec 6 12:19 pm$46.39, Nov 15 - Dec 16$33.80, Oct 14 - Dec 29$32.96, Dec 9 12:25 am$46.39, Nov 15 - Dec 16$36.93, Dec 11 3:01 pm$33.80, Oct 14 - Dec 29$46.39, Nov 15 - Dec 16$41.75, Dec 14 - Dec 16$33.80, Oct 14 - Dec 29$49.92, Dec 19 - Dec 29$43.65, Dec 19 8:50 am$33.80, Oct 14 - Dec 29$49.92, Dec 19 - Dec 29$44.93, Dec 21 - Dec 29$33.80, Oct 14 - Dec 29$36.24, Jan 1 - Jan 10$32.62, Jan 1 - Jan 8$27.89, Jan 1 - Jan 13$36.24, Jan 1 - Jan 10$30.80, Jan 10 - Jan 13$27.89, Jan 1 - Jan 13$36.23, Jan 13 9:44 am$30.80, Jan 10 - Jan 13$27.89, Jan 1 - Jan 13$46.39, Jan 15 - Mar 29$33.86, Jan 15 10:08 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$39.19, Jan 18 11:23 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$35.26, Jan 21 12:17 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$38.87, Jan 23 1:30 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$39.43, Jan 26 3:11 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$33.80, Jan 15 - Apr 4$31.27, Jan 28 4:58 pm$46.39, Jan 15 - Mar 29$35.32, Jan 31 4:59 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$35.02, Feb 2 5:45 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$37.20, Feb 5 8:18 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$37.16, Feb 7 10:07 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$37.74, Feb 10 11:48 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$35.94, Feb 13 3:18 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$38.49, Feb 15 8:33 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$38.24, Feb 21 5:36 am$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$38.02, Feb 26 4:36 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$37.89, Feb 29 2:34 pm$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$39.43, Mar 5 - Mar 23$33.80, Jan 15 - Apr 4$46.39, Jan 15 - Mar 29$38.46, Mar 29 4:05 pm$33.80, Jan 15 - Apr 4$38.29, Apr 4 11:47 am$33.80, Jan 15 - Apr 4$32.55, Apr 4 11:47 am 19,589257,035 312,500 234,375 156,250 78,125 Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $38.29 1 day ago
Highest $49.92 Dec 19, '15
Lowest $34.96 Sep 27, '15
Average $46.39 (30d avg)
$45.21 (90d avg)
$45.32 (180d avg)
$44.37 (365d avg)
$43.99 (Lifetime average)
Added Dec 21, 2014

3rd Party New

Latest $33.80 1 day ago
Highest $35.83 Feb 28, '15
Lowest $16.00 Oct 6, '15
Average $33.80 (30d avg)
$33.11 (90d avg)
$33.29 (180d avg)
$33.24 (365d avg)
$33.66 (Lifetime average)
Added Dec 21, 2014

3rd Party Used

Latest $32.55 1 day ago
Highest $44.93 Dec 21, '15
Lowest $23.24 Nov 11, '15
Average $39.24 (30d avg)
$37.16 (90d avg)
$36.72 (Lifetime average)
Added Dec 21, 2014

Sales Rank

30 day average: 99,967
90 day average: 142,296

Product 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 cabon filter to reduce plumbing drainage system odors.

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