detector for cigarette smoke Photoelectric Sensor CD290-CS-4RC with Remote Control For example How to Detect Cigarette Smoke

It has long been known that smoking cigarettes which can increase the buildup of plaque in blood vessels, make your blood more likely to clot, block blood flow to the heart and brain, among other cardiovascular effects is a major cause of heart disease and stroke

The item is as is, missing a panel, see photos

it's a cultural heritage, a symbol of vintage nostalgia

Those plates catch particles down to 0.0146 microns, roughly 20 times smaller than what a standard HEPA filter is rated to capture, making the X5 highly effective at capturing tiny particles, including ultrafine smoke and allergens that most air purifiers miss