By redirecting heated and cooled air and using the air more effectively, these wall air deflectors reduce the need for heat or air conditioning thereby saving energy. These adjustable deflectors are made of strong, clear plastic, and include powerful magnets that hold them tight to floor or wall registers. They have screw slots so they can also be mounted with screws. They adjust from 10" to 16" wide. Set of 4 
Melting Temperature: approx 3250F
Color: Clear Plastic
Adjustable from 10" to 16" width, 5 1/2" height , 3" depth.
Manufacturer: Deflecto Corporation
Manufacturer warranty: 1 year 
Product Questions: 800-428-4328