Contains exhaust fan breather port leaks and absorbs the grease. Intended for use in areas where the rubber seal has fallen out of the hole surrounding the breather port pipe on fans. Non-intrusive and highly effective for containing those frustrating leaks from missing gaskets. Simply slide onto the outside of breather pipe and push to snug up against fan bowl. Installs in seconds but works for months.

 

Sold in 100 packs