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ROUND STEEL AIR VENT
1. Strong steel profile.
2. Anodized or powder-coated in white or beige; custom colors are available.
3. Used for air supply and exhaust; compatible with central air conditioning and ventilation systems.
4. Equipped with a mesh back to prevent insects from entering.
5. Quick and easy installation.
6. Packaging: Each piece in a poly bag, then packed in a carton; 10 pieces per carton.
7. Standard sizes: 4-inch and 6-inch.