For central forced air heating and air conditioning only. adjustable from 10"-16"(25-40cm) width • for heating and cooling applications • redirects air for added comfort • saves energy • magnetic mount or screw mount to register for secure mounting. Material • clear polycarbonite Melting Temperature • 325F / 163 C approx. Magnets • strong
good quality plastic, strong magnets to hold it up. I have had it up for a week or so now and no problems to report. Took me like 30 sec to install this. Very easy. So far I love it.
