The TRM Series grilles, used transfer air due to the pressure differentaial between environments and can be installed on walls or doors with thickness between 30mm and 69mm
Product Information
• Extruded aluminum construction
• Fixed inverted 'V' blades set at 70 degrees
• Sightproof
• Blades spaced at 2/3"centers
• 2 sided telescoping frame■
• Fits door 1 1/16" to 2 1/8" thick
• White finish
