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Countersunk mounting holes with color matching Phillips Pozidriv screws
Hand operated level for easy filter access and cleaning
to 23 29/32"
smooth style * 360 air diffusion * Excellent for variable air volume applications * Hinged-down core for easy access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
Round Aluminum Air Louver 4901-IS-4 past 12 months Countersunk mounting holes with colorStandard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS Insect screen * Standard Color or Designer Color Finish available on this product
