It monitors smoke, dust, and pollution as well as temperature and humidity. Open box - never used because it was incompatible with the network. Monitors indoor "or" outdoor air depending on where it is installed.
FSR Big Job Fiberglass Stain Remover - 2-Liter FSR (Fiberglass Stain Remover) is a unique stain absorbing gel that is ideal for removing oil, rust, exhaust, waterline and transom stains. It can also be used anywhere else fiberglass stains may crop up-shower stalls, furniture, etc. Use for removing road soil from trailered boats and recreational vehicles. Its non-abrasive quality means that it's safe to use on white painted surfaces as well as on gel-coat. Just be sure to test a small area first to be sure FSR will not damage finish. Requires no sanding or compounding. Simply apply with a brush, sponge or cloth. Wait a few minutes and then wipe off or rinse. For really big clean-up jobs. 67.8 fl oz (2 liter) bottle.