2 Pack of 4 inch Cabin Ventilation Plate Vent Round Butterfly Air Gill with Side Knob 304 Stainless Steel for Marine Boats Accessories Jewelry Clasp The internal honeycomb core is

The internal honeycomb core is designed for superior shock absorption

Temperature Safe from -40 to +446 degrees Fahrenheit

this mold is secure and environmentally friendly

easy for carrying and decorating

2 Pack of 4 inch Cabin Ventilation Plate Vent Round Butterfly Air Gill with Side Knob 304 Stainless Steel for Marine Boats Accessories Jewelry Clasp The internal honeycomb core isGet the butterfly vents are designed for air circulation in interiorWith neat finish and simple design, this Ventilation Sheet can even be used as a decoration. Side Knob Opening Mechanism, Easy to stall,convenience to use. Designed with a manual handle, you can control the opening and closing of the ventilation flap by rotating the side knob. Suitable for related vents in boats, marine, yacht, caravan, home,barbecue barrel, fire barrel, smoker, boat,