Vent Systems 4 Inch Stainless Steel Dryer Vent Cover - Wall Vent Mounted Vent Hood with Backdraft Damper - Exhaust Air Ventilation Guard - HVAC Ducting Grille - Bathroom, Kitchen, Attic, Garage Rain Hood auto_updated_Apr2026 cut diameter: 25 mm

cut diameter: 25 mm

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It can carve plastic eraser

Vent Systems 4 Inch Stainless Steel Dryer Vent Cover - Wall Vent Mounted Vent Hood with Backdraft Damper - Exhaust Air Ventilation Guard - HVAC Ducting Grille - Bathroom, Kitchen, Attic, Garage Rain Hood auto_updated_Apr2026 cut diameter: 25 mmVent Systems 4 Inch Stainless Steel Dryer Vent Cover Wall Vent Mounted Vent Hood with Backdraft Damper Exhaust Air Ventilation Guard HVAC Ducting Grille Bathroom, Kitchen, Attic, Garage Product Features PRECISE DIMENSIONS: The flange connector's diameter is 3. 94", the outside dimensions is 6. 30" x 6. 30", and the flange depth is 2. 05". Screw hole spacing is 5. 39" x 5. 39". The inner sleeve is designed to fit both round spiral ducts and flexible