AirMate® Return Air Filter Grille, Series: 170 FF, 18 x 24 in, 23-15/16 in Duct Height, 26-5/8 in Overall Length, 1-5/8 in Overall Depth, 40 deg Deflection, 1/2 in Blade Spacing, Steel, Bright White, Domestic
- 1/2 in spaced fins set at 40 degree
- Effectively conceals filter
- Use standard 1 in thick disposable filter
- Removable face for easy installation and cleaning
- Flush, removable face with concealed latches and hinges, can be installed two ways
- Equipped with adjustable filter retainers
- Typical capacity is 2 CFM per square inch of nominal filter area
- Recommended face velocity is 300-450 FPM
- Velocities higher will decrease filter performance, increase flow resistance, and possibly be of noise concern