Who makes a 3.5" to 2.5" coupling?
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Joined: May 2001
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From: Tallahassee, FL, US
Who makes a 3.5" to 2.5" coupling?
I found one at home depot, but I'm told these plumbing fittings swell under boost, but I can't find anyone that makes one in silicone or nitrile.
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