Sea Dog Stainless Steel Round Louvered Vent ( 4" or 5" Sizes )
Sea Dog Stainless Steel Round Louvered Vent ( 4" or 5" Sizes )Sea Dog Stainless Steel Round Louvered Vent ( 4" or 5" Sizes )
Sea Dog Stainless Steel Round Louvered Vent ( 4" or 5" Sizes )
Item #SD-331424
Item Rating:
Regular Price:$5.29
Sale Price:$3.92
You Save: 26%
Size/ Model #
Quantity Pricing Available!
1 - 9$3.92 ea.10+$3.55 ea.
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Stainless Steel Round Louvered Vent by Sea Dog > Model No. 331424 or 331425 > 4" or 5" Sizes > 304 S.S.

- A part of the Sea Dog line of heavy duty stainless steel marine grade hardware, so these stainless steel round louvered vents are built to last.

Product Features:

Made from Stamped 304 Stainless Steel, for lasting corrosion resistance and durability.

Instead of using toxic chemicals to get rid of mold and mildew, why not prevent it from showing up in the first place?

Creating a steady flow of fresh air is one of the best things you can do on-board to keep your boat smelling fresh and mold-free.

Specifications & Pricing:

Vent Size (A) Vent Opening DIA (B) Screw Ring DIA (C) Price Per Vent
4" 3 1/4" 3 5/8" $3.92 or 10+ for $3.55
5" 4 1/8" 4 1/2" $5.49 or 10+ for $5.12
Please choose the vent you need from the drop down menu above the product description.

Vent Option: 4" Size - Model # SD-331424 - Edge to Edge Diameter (A): 4" - Vent Opening Diameter (B): 3 1/4" - Diameter From Mounting Hole To Mounting Hole (C): 3 5/8" - Vent Area: .88 square inches - Material: 304 S.S. - Recommended Mounting Hardware: # 6 Fasteners - Price: $3.92 each or 10+ for $3.55 each

Vent Option: 5" Size - Model # SD-331425 - Edge to Edge Diameter (A): 5" - Vent Opening Diameter (B): 4 1/8" - Diameter From Mounting Hole To Mounting Hole (C): 4 1/2" - Vent Area: 2.02 square inches - Material: 304 S.S. - Recommended Mounting Hardware: # 6 Fasteners - Price: $5.49 each or 10+ for $5.12 each

Combine this purchase with other items in our store for discounted shipping.
Sold individually.

Most marine hardware can be divided into two distinct groups these days.

Cheap junk made with little, if any, thought to the impact its production has on the environment or the workers involved - or high quality gear made from materials designed to last, by companies that care.

We prefer to carry the latter.

Plastic and nylon parts are durable for a while and they satisfy price sensitive shoppers. Their production, however, creates numerous toxins, and eventually enough sunshine or stress will cause them to break.

Chrome, nickel, and zinc plating can protect metal surfaces for years, but their initial production, especially in third-world countries can cause devastating harm.

Painted parts are effective for a while, but paint production is usually nasty, and as it chips and goes over the side, paint carries its own poisons along.

At greenboatstuff.com we choose to carry aluminum, brass, bronze, stainless steel, and occasionally wood hardware.

In an imperfect world we know these choices are not entirely without their faults.

In our opinion, however, they satisfy our criteria for high quality, long lasting products that do the job well while inflicting minimal, if any, harm.
If entrepreneurs are noted for taking the road less traveled, then the founder of Sea-Dog, Hans "Action" Broson Sneve, was a shining example.

As a representative for a number of marine hardware lines in the early 1930s, he came up with the idea of showcasing his wares on the type of vehicle they were intended for, a sea vessel.

His sales route became the waters of the Pacific Coast.

The M.V Sea-Dog, also known as the "Boat-Show-Boat", was one of two identical 55 foot cruisers built by Stephens Bros. of Stockton, California. One was built for H.A.B. Sneve Company and the other reported for Charlie Chaplin.

Well built of oak frames, Port Orford cedar planking and all teak superstructure, she was equipped with all types of gear from manufacturers represented by the company.

Hans Sneve commenced a coastwise trip from Alaska to Mexico visiting all ports large and small en route and having an open house for the public in all ports.

The new and well appointed yacht created quite an impression in the early thirties considering this was the depth of the depression. In some of the Alaskan ports, it wasn't uncommon for practically the entire population of a town to turn out to view the Sea-Dog.

In 1960, Mr. Sneve retired from the H.A.B. Sneve Company and his nephew, Eldon Nysether took over at the helm. The company name became Sneve-Nysether, Inc. with the Sea-Dog Line continuing as the main division of the company.

Eldon taught the business to his two sons, Mark and Brad, and while growing up, they worked right alongside their father. After college, both Mark and Brad returned to the family business.

Now operating out of Everett, Washington under the Sea-Dog Corporation, the company continues to expand with a continuing addition of top quality items.

With the ongoing support from a growing number of valued customers, and the third generation of management now active, the Sea-Dog Line is looking forward to a great future.

Product Reviews for Sea Dog Stainless Steel Round Louvered Vent ( 4" or 5" Sizes )

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<strong>Sea Dog Stainless Steel Oval Locker Vent</strong> (6-3/4" Size)
<strong>Sea Dog Stainless Steel Rectangular Louvered Vent</strong> ( 5" to 9 1/8" Sizes )
<strong>Sea Dog Stainless Steel Clam Shell Vent</strong> ( 5 3/4" to 7 1/2" Sizes )
<strong>Sea Dog Stainless Steel Oval Locker Vent</strong> (6-3/4" Size)
Regular Price: $6.80
Sale Price: $5.46
Stainless Steel Oval Locker Vent by Sea Dog > 6 3/4" x 2 3/8" Size > Model No. 331620 > 304 S.S.

- A part of the Sea Dog line of heavy duty stainless steel marine grade hardware, so these oval locker vents are manufactured to last.

Product Features:

Made from stamped 304 Stainless Steel, for lasting corrosion resistance and longevity.

Instead of using toxic chemicals to get rid of mold and mildew, why not prevent it from showing up in the first place?

Creating a steady flow of fresh air is one of the best things you can do on-board to keep your boat smelling fresh and mold-free.

Mounting hardware sold separately.

Specifications & Pricing:

Vent Area Width Overall (A) Length Overall (B)
2.56 Square Inches 2 3/8" 6 3/4"


Product Type: Sea Dog Stainless Steel Oval Locker Vent - Size: 6 3/4" x 2 3/8" - Model # SD-331620 - Length (B): 6 3/4" Long - Width (A): 2 3/8" Wide - Vent Area: 2.56 Square Inches - Material: 304 S.S. - Recommended Mounting Hardware: #8 Fasteners - Price: $5.46 each or 10+ for $4.95 each

Combine this purchase with other items in our store for discounted shipping.
<strong>Sea Dog Stainless Steel Rectangular Louvered Vent</strong> ( 5" to 9 1/8" Sizes )
Regular Price: $5.59
Sale Price: $4.13
Sea Dog Stainless Steel Rectangle Louvered Vent > Model No. 331380, 331390, 331400, or 331410 > 2 5/8", 4 5/8", 5", 9", or 9 1/8" Sizes > 304 S.S.

- A part of the Sea Dog line of heavy duty stainless steel marine grade hardware, so these stainless steel rectangular louvered vents are built to last.

Product Features:

Made from Stamped 304 Stainless Steel, for lasting corrosion resistance and durability.

Mounting hardware sold separately.

Instead of using toxic chemicals to get rid of mold and mildew, why not prevent it from showing up in the first place?

Creating a steady flow of fresh air is one of the best things you can do on board, to keep your boat smelling fresh and mold-free.

Model #'s SD-331380, SD-331390, and SD-331400 have horizontal vents.

Model # SD-331410 have vertical vents.

Specifications & Pricing:

Width (A) Height (B) Price Per Vent
5" 2 5/8" $4.13 or 10+ for $3.74
5" 4 5/8" $7.17 or 10+ for $6.78
9 1/8" 4 5/8" $11.23 or 10+ for $10.84
5" 9" $11.70 or 10+ for $11.31
Please choose the Vent(s) you need from the drop down menu above the product description.

Vent Option: 5" x 2 5/8" Size - Model # SD-331380 - Dimensions: 2 5/8" (B) x 5" (A) - Vent Area: .81 square inches - Vent Style: Horizontal - Material: 304 S.S. - Recommended Mounting Hardware: # 6 Fasteners - Price: $4.13 each or 10+ for $3.74 each

Vent Option: 5" x 4 5/8" Size - Model # SD-331390 - Dimensions: 4 5/8" (B) x 5" (A) - Vent Area: 1.62 square inches - Vent Style: Horizontal - Material: 304 S.S. - Recommended Mounting Hardware: # 6 Fasteners - Price: $7.17 each or 10+ for $6.78 each

Vent Option: 9 1/8" x 4 5/8" Size - Model # SD-331400 - Dimensions: 4 5/8" (B) x 9 1/8" (A) - Vent Area: 3.24 square inches - Vent Style: Horizontal - Material: 304 S.S. - Recommended Mounting Hardware: # 6 Fasteners - Price: $11.23 each or 10+ for $10.84 each

Vent Option: 5" x 9" Size - Model # SD-331410 - Dimensions: 5" (A) x 9" (B) - Vent Area: 4.05 square inches - Vent Style: Vertical - Material: 304 S.S. - Recommended Mounting Hardware: # 6 Fasteners - Price: $11.70 each or 10+ for $11.31 each

Combine this purchase with other items in our store for discounted shipping.
Size/ Model #: 
<strong>Sea Dog Stainless Steel Clam Shell Vent</strong> ( 5 3/4" to 7 1/2" Sizes )
Regular Price: $32.80
Sale Price: $20.97
Sea Dog Stainless Steel Clam Shell Vent > Model No. 331330, 331340, or 331350 > 5 3/4", 7", or 7 1/2" Sizes > 304 S.S.

- A part of the Sea Dog line of heavy duty stainless steel marine grade hardware, so these stainless steel clam shell vents are build to last.

Product Features:

Made from Stamped 304 Stainless Steel, for lasting corrosion resistance and durability.

Mounting hardware sold separately.

Length (A) Width (B) Height (C) Price Per Vent
5 3/4" 4 13/16" 2 5/16" $20.97
5 7/8" 4 7/16" 3 5/16" $23.05
7" 5 3/4" 2 1/4" $24.09
7 5/16" 5 13/16" 4" $37.11
7 1/2" 6 3/4" 2 7/8" $26.87

See our Specifications & Pricing Tab above, for more details about this items different Sizing Details and the Final Pricing for Each of our options available.

One of the greenest things you can do to treat odors is to keep them from developing in the first place.

Plenty of fresh air and sunshine are Nature's most effective deodorizers.

Unfortunately a boat's interior is often lacking both.

Sealed up tight, with moisture all around, your boat's cabin is a perfect breeding ground for odor causing mold and mildew.

Instead of using toxic cleaners and sprays to attack this nasty stuff, why not prevent it from gaining a foothold in the first place?

Creating a simple path for air to circulate in and out of your boat is one of the most effective ways to keep mold and mildew from developing.

When installed properly these simple clam shell vents will help move plenty of fresh air through your vessel.
Size/ Model #: 




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