ATTWOOD 12020-3 Seachoice Clam Vent Steel 022697005571 3-3/4

( Brand: Attwood ), ( Part Type: Vent ), ( Manufacturer Part Number: 12020-3 ), ( UPC: 022697005571 )

Review ATTWOOD Seachoice Clam Shell Vent Inch 3-3/4 Stainless Steel

Introducing the Attwood 12020-3 SeaChoice Clam Vent, a versatile and essential marine accessory designed to ensure optimal airflow and water drainage in your boat or watercraft. This Clam Vent is a part of Attwood's SeaChoice line, which is committed to providing eco-friendly, high-performance marine products.

Measuring 3-3/4 inches in diameter and made of robust, marine-grade 16-gauge steel, this Clam Vent is built to withstand the rigors of the marine environment. Its durable construction not only adds strength and durability but also resists corrosion and rust, ensuring long-lasting performance.

The Attwood 12020-3 Clam Vent features a unique clam-shell design that allows it to automatically open when water enters and closes when the water recedes. This design ensures proper ventilation while at rest and prevents water intrusion while underway. The heavy-duty spring hinge mechanism ensures a secure and reliable closure, keeping your boat dry and free from excess water.

The Clam Vent comes with a pre-installed 1/2 inch NPT threaded inlet and outlet, allowing for easy installation and integration with your boat's drainage and ventilation systems. It also includes a 6-inch long, 1/2 inch ID flexible hose to facilitate the connection between the vent and the drain or vent line.

With its sleek and unobtrusive design, the Attwood 12020-3 SeaChoice Clam Vent is an excellent addition to any boat, adding functionality without compromising on aesthetics. Its commitment to eco-friendliness, durability, and performance makes it a wise investment for boat owners seeking dependable marine accessories.

Pros and Cons of buying a Attwood 12020-3 SeaChoice Clam Vent 3-3/4 Steel for Your Boat

The Attwood 12020-3 SeaChoice Clam Vent 3-3/4 Steel is a popular choice among boat owners for improving ventilation in their vessels. However, like any other product, it comes with its advantages and disadvantages. In this analysis, we will discuss the key pros and cons of investing in this clam vent.

1. Effective Ventilation: The primary role of a clam vent is to provide adequate ventilation in enclosed spaces on a boat. The Attwood 12020-3 SeaChoice Clam Vent does an excellent job of allowing fresh air to circulate while keeping unwanted moisture and odors out.

2. Durable Construction: Made of high-quality steel, this clam vent is built to last. The galvanized finish provides added protection against corrosion, making it an ideal choice for marine applications.

3. Easy Installation: Installation is a straightforward process, and the vent includes necessary hardware for mounting. It can be installed using the provided screws or through-bolts, depending on the boat's material.

4. Versatile: The Attwood 12020-3 SeaChoice Clam Vent is suitable for various boat sizes, and its adjustable size and angle make it a versatile choice for different applications.

1. Weight: The steel construction adds to the weight of the vent, which might be a concern for smaller boats or those with limited space.

2. Price: Compared to other clam vents in the market, the Attwood 12020-3 SeaChoice Clam Vent is on the pricier side.

3. Maintenance: While the galvanized finish offers protection against corrosion, regular maintenance is still required to ensure the longevity of the vent.

The Attwood 12020-3 SeaChoice Clam Vent 3-3/4 Steel is an excellent investment for boat owners seeking effective ventilation and durability. Its galvanized steel construction ensures long-lasting performance, and the adjustable size and angle make it a versatile option. Although it comes with a higher price tag and requires occasional maintenance, the benefits of improved ventilation and durability often outweigh these cons.

If you're looking for a reliable and effective clam vent for your boat, the Attwood 12020-3 SeaChoice Clam Vent 3-3/4 Steel is a solid choice. Its durable construction, easy installation, and versatility make it an excellent investment for boat owners who prioritize ventilation and longevity. While it may be more expensive than some alternatives, the benefits it offers are worth considering.

part # 120203 price

• $24.99

specifications scowware:

• brand: Attwood
• part type: Vent
• manufacturer part number: 12020-3
• upc: 022697005571

shipping scowware:

• transit: 4-11 Days
• class: Standard
• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• type: Calculated

general scowware:

• condition: New
• Parts Accessories > Boat Parts > Deck Cabin Hardware

offer scowware:

• best offers: True
• sold: 0
• availability: In Stock
• started: April 6, 2026
• quantity: 1
• options: Ship-to-home

payments scowware:

• credit card: Mastercard
• other
• wallet: Apple-pay

returns scowware:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

seller scowware:

• rating: 100.0%
• # reviews: 1592

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