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Seadog Butterfly Vent Centre Knob
Stamped 304 Stainless Steel
These Butterfly Vents feature a Center Knob that allows for easy adjustment of the opening. Promotes air circulation and prevents mold, mildew, and associated odors. Constructed of corrosion resistant 304 stainless steel. Installs with four #6 RH fasteners (not included).
| SKU | A | B | Vent Area | Fastener | Weight |
| 331440-1 | 4″ | 3-5/8″ | 2.77 in2 | #6 RH | 0.16 |
| 331450-1 | 5″ | 4-3/4″ | 2.91 in2 | #6 RH | 0.29 |
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