Imperial BM0135 Magnetic Burn Indicator HELLOFALL10 Each marker is wrapped with

Each marker is wrapped with 5" of reflective tape

Length: 18

The small openings will prevent birds from becoming tangled in the net

High gloss sponge PVC cover

Bird-proof design

Imperial BM0135 Magnetic Burn Indicator HELLOFALL10 Each marker is wrapped withDurable & highly accurate. Monitors wood stove performance. For single wall stove pipe only. Easily installed on stove pipe with magnetic attachment. For single wall stove pipe only Durable & highly accurate Monitors wood stove performance Indicates Correct Operating Temperature Burn efficiency range from 100 degree F to 850 degree F (40 degree C to 475 degree C) Easily installed on stove pipe with magnetic attachment.