Oatey 4 in. Insert X 4 in. D Insert Plastic Insert Adapter
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With a caulk-free installation, Oatey Rain Collar for No-Calk Roof Flashings can be used as a secondary seal for commercial and residential applications where a watertight seal for roof penetrations around the plumbing vent pipe is required. With a caulk-free installation, this will slip over your existing flashing with ease while still providing a tight seal. Comes in various collar sizes