Easy fix for split boots on plumbing vent flashings

I recently came across a plumbing vent flashing repair device that looked like a cross between a two-piece plumbing vent cap and Darth Vader's helmet.

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An easy fix for split boots at plumbing vent flashings

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Easy fix for split boots on plumbing vent flashings

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An easy fix for split boots at plumbing vent flashings

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