Yup, I used to work in a smoky office where most of my displeasure with smokers comes from. We had indoor air purifiers (those ionizing ones) and every 2 weeks or so they'd need cleaning because they were covered with a gray-yellow, ashy, dried-pus-like substance that smelled like crap.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL