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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1]Stainless Steel Butterfly Vent Center Knob 4" Butterfly Vents promote air flow preventing mold, mildew, and associated odors. Features a center knob that allows for easy adjustment of the opening. Corrosion resistant 304 stainless steel construction. Installs with four #6 RH fasteners (not included). WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
![Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1] Sea-Dog Stainless Steel Butterfly Vent - Center Knob - 4" [331440-1]](https://cdn.shopify.com/s/files/1/0611/7297/3739/products/77417XL.jpg?v=1643849471)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 123 reviews
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Product Reviews
★★★★★ 5
Great filter!!
Great filter, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2025
★★★★★ 5
Price
Very nice active coal
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2025
★★★★★ 2
Weird Smell
Good for but the carbon has a weird smell. I have a sensitive nose and I'm not a fan. Going to replace with a regular filter without the activated carbon.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Good quality
Fits perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
★★★★★ 5
Perfect fit for boyh filters
Watched a youtube video, easy changed both filters in 10 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
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