Top 10 Best Stainless Steel Clamshell Vent Reviews & Comparison | Utimate Guide

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Top-Rated Stainless Steel Clamshell Vent Today 

Bestseller No. 1
Norsea-Stainless Steel Clam Shell Vent, Wire Cable Cover, Outlet,Cap, Clamshell -One Piece Structure and Streamlined Design for Boats, RVs and Outdoor Application -Pack of 2 PCS
  • Splash proof for wire/cable holes, exhaust openings and vent holes on boats, RV, house and outdoor.
  • Marine grade stainless steel with mirror polished, deburr the edges and holes for safety using
  • It's easy and quick to install with three 3 x #6(M3.5) screws (not included)
  • One piece structure and streamlined design with mirror surface which's both beautiful and durable
  • Please check the cable size you want to cover before order, we always guarantee your satisfaction
Bestseller No. 2
Five Oceans FO4011 Boat Marine Clamshell Ventilator AISI 316 Stainless Steel, 6 inches
  • This Extra Large Five Oceans Clamshell ventilator is versatile and easy to install. Built with AISI316 Stainless Steel, these vents are durable and attractive solutions for the cabin or below deck ventilation.
  • Depending on the size, location, and mounting position, clamshell vents work well covering cable pass-through holes, to shield compartment vent holes and blower exhaust openings.
  • These inexpensive and compact vents add a touch of style while shielding cable or covering vents from the water.
  • These Clam Shell Ventilators can be screwed directly on to hull or superstructure horizontally or vertically. Used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents.
  • Dimensions: 6 inches (152 mm) x 4-1/2 inches (114 mm). FIVE OCEANS, 40 Years Developing High-Quality Marine & Outdoor Products
Bestseller No. 3
Bay-sun 2Pcs Stainless Steel Clam Shell Vent Wire Cover Ventilation Clamshell for Boat Yacht
  • 41.3mm (W) x 44.5mm (L), th=0.6mm
  • Clam shell vents.
  • Marine grade, mirror surface polished.
  • UV and weather resistant and great for routing cables, wire, etc.
  • Used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents.
Bestseller No. 4
Hoffen 4 Pack Wire Cable Vent Cover, Stainless Steel Clamshell Vent, Clam Shell Vent for Boat丨Boat Marine (Large)
  • STYLE - Clam shell vents
  • DIMENSION - 54.1*56.4mm ( 2.13*2.22 inch), Hole Diameter: 3.8mm (0.15inch)
  • STAINLESS STEEL MATERIAL - marine grade, mirror surface polished
  • APPLICATION - UV and weather resistant and great for routing cables, wire, etc.
  • FUNCTION - used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents
Bestseller No. 5
Lind Kitchen 2 Pcs 2.24x2.16x1.65inch Stainless Steel Large Size Marine Vent Cover, Air Outlet and Protective Cap, Wire Cover Clam Shell Vent for Boat Cable and Transducer Wiring
  • With polished stamped stainless steel structure, these small vents have many uses. They are beautiful covers for the ventilation holes of the lockers.
  • The clamshell shape can be used as a protective cover for cables and wires to pass through.
  • There are screw holes on the wire cover, no need to drill new holes, easy to install.
  • Ideal for sailing, boating, many other marines and severe weather applications
  • UV and weather resistant and great for routing cables, wire, etc
SaleBestseller No. 6
DasMarine 10 PCS Stainless Steel Cable Cover,Boat Transducer Wiring Cover,Clamshell Vent Wire Cover Clam Shell Vent for Boat 2-1/4"×2-1/8"×5/8"(L×W×H) (10 Pack,2-1/4"×2-1/8"×5/8")
  • √ Material: The high quality shiny cover is made of polished stainless steel,it is UV and weather resistant.
  • √ Wide Application: The wire cover is used for sealing and splash proof openings of wires,hoses etc. Perfect for transducer wire cover,cable cover,you can cover a thru-hole for your hose, you can also use them as an outside vent for your compost toiltet.
  • √ Easy to Install: There are screw holes on the wire covers,you need not drill new ones.
  • √ Specification: Length: 2-1/4", Width: 2-1/8",Height: 5/8".
  • √ Package Included: 10 Pack Boat Wire Covers.
Bestseller No. 7
Amarine Made Stainless Steel Clamshell Vent/Wire Cover Clam Shell Vent for Boat - 07725S
  • Clam shell vents
  • 16mm (H) x 54mm (W) x 57mm (L), th=0.6mm
  • Stailess steel
  • Amarine-made
  • A = 5/8" B = 2-1/4" C = 2-1/8"
Bestseller No. 8
Amarine Made Stainless Steel Cable Cover,Boat Transducer Wiring Cover,Clamshell Vent Wire Cover Clam Shell Vent for Boat (1-3/4", 2pcs)
  • 【Material】:Marine Grade Stainless Steel,Mirror Polished.Perfect for Corrosion Resistance.
  • 【Applications】The wire cover is used for sealing and splash proof openings of wires,hoses etc. Perfect for transducer wire cover,cable cover,you can cover a thru-hole for your hose, you can also use them as an outside vent for your compost toiltet.
  • 【Details】UV and weather resistant and great for routing cables, wire, etc
  • 【Size】Please refer to pictures:one size is A = 1/2" B = 1-3/4" C = 1-5/8"(12mm (H) x 44mm (W) x 40mm (L), th=0.6mm);Another size is A = 5/8" B = 2-1/4" C = 2-1/8"(16mm (H) x 54mm (W) x 57mm (L), th=0.6mm).
  • 【Thanks】Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Color may be slightly different from the pictures because of different screen and light. Please kindly understand
SaleBestseller No. 9
Perko 0315DP2STS Stainless Steel Clam Shell Ventilator - 2
  • Stainless steel clamshell ventilator
  • 2" x 2" base
  • Check with manufacturer recommendations for proper fit
  • Built with quality materials
SaleBestseller No. 10
Five Oceans FO4010 Large Clamshell Ventilator AISI316 Stainless Steel, 3-3/4 inches
  • This Large Five Oceans Clamshell ventilator is versatile and easy to install. Built with AISI316 Stainless Steel, these vents are durable and attractive solutions for the cabin or below deck ventilation.
  • Depending on the size, location, and mounting position, clamshell vents work well covering cable pass-through holes, to shield compartment vent holes and blower exhaust openings.
  • These inexpensive and compact vents add a touch of style while shielding cable or covering vents from the water.
  • These Clam Shell Ventilators can be screwed directly on to hull or superstructure horizontally or vertically. Used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents.
  • Dimensions: 2-7/8 inches (73 mm) x 3-3/8 inches (86 mm).. FIVE OCEANS, 40 YEARS developing High-Quality Marine & Outdoor Products
Bestseller No. 11
Amarine Made Stainless Steel Clamshell Vent/Wire Cover Clam Shell Vent for Boat - 07724s
  • Clam shell vents
  • 12mm (H) x 44mm (W) x 40mm (L), th=0.6mm
  • Stailess steel
  • Amarine-made
  • A = 1/2" B = 1-3/4" C = 1-5/8"
Bestseller No. 12
Pebbly Beach 4PCS Stainless Steel Clam Shell Vent for Boat Marine Wire Cable Vent Cover 2-1/2 Inch
  • 【Anti-Corrosion】-It is made of marine grade stainless steel for maximum corrosion resistance and durability.
  • 【Great Design】-The small “A” shape works well for covering cable pass-through holes. This inexpensive vent add a touch a style while shielding cable or covering vents from water.
  • 【Demensions】- 2.2" x 2.1";Hole Diameter: 0.18"
  • 【Function】 - Used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents.
  • 【Wide Application】- UV and weather resistant and great for routing cables, wire.
Bestseller No. 13
Vent S/S Clam Shell - Seadog Line
  • Stainless Steel Clam Shell Vent
  • Size: 7" x 5 3/4" x 2 1/4"
  • Model # SDL 331340
  • By Sea Dog Line
  • Material: Stamped 304 S.S.
Bestseller No. 14
MARINE CITY 304 Grade Stainless Steel Strong Fine Polished Smooth Finish Midget Clam Shell Vent Wire Cable Cover Hose for Rowing Marine Yachts Surfing Water Sports RV Accessories (2 Pcs)
  • Made up of stamped 304 grade stainless steel, perfect for boating, yachting, and many other marine and inclement weather applications.
  • It is durable and long lasting, high quality stainless steel with maximum corrosion resistance and durability in the saltwater environment.
  • Suitable for related boats, marines, yachts, caravans, and homes, commonly used as deck hardware in highly corrosive marine environments.
  • Dimensions: Width: 2-1/8 Inches, Length: 2-1/4 Inches, Height: 0.64 Inches, Fastener: #6.
  • Package Includes: 2 Pcs Marine City 304 grade stainless steel boat vent and wire housing.
Bestseller No. 15
DasMarine 10 PCS Stainless Steel Cable Cover,Boat Transducer Wiring Cover,Clamshell Vent Wire Cover Clam Shell Vent for Boat 1-3/4"×1-5/8"×1/2"(L×W×H) (10 Pack,1-3/4"×1-5/8"×1/2")
  • √ Material: The high quality shiny cover is made of polished stainless steel,it is UV and weather resistant.
  • √ Wide Application: The wire cover is used for sealing and splash proof openings of wires,hoses etc. Perfect for transducer wire cover,cable cover,you can cover a thru-hole for your hose, you can also use them as an outside vent for your compost toiltet.
  • √ Easy to Install: There are screw holes on the wire covers,you need not drill new ones.
  • √ Specification: Length: 1-3/4", Width: 1-5/8",Height: 1/2".
  • √ Package Included: 10 Pack Boat Wire Covers.
Bestseller No. 16
Pebbly Beach 4 Pack Stainless Steel 1.75" Marine Wire Cable Vent Cover, Clamshell Vent for Boat, Smooth Edge Thickness 0.6mm, Wire Vent Cover, Clam Shell Vent
  • 【Material】:Marine Grade Stainless Steel,Mirror Polished.Perfect for Corrosion Resistance.
  • 【Applications】The wire cover is used for sealing and splash proof openings of wires,hoses etc. Perfect for transducer wire cover,cable cover,you can cover a thru-hole for your hose, you can also use them as an outside vent for your compost toiltet.
  • 【Details】UV and weather resistant and great for routing cables, wire, etc
  • 【Size】Please refer to pictures:one size is A = 1/2" B = 1-3/4" C = 1-5/8"(12mm (H) x 44mm (W) x 40mm (L), th=0.6mm);Another size is A = 5/8" B = 2-1/4" C = 2-1/8"(16mm (H) x 54mm (W) x 57mm (L), th=0.6mm).
  • 【Thanks】Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Color may be slightly different from the pictures because of different screen and light. Please kindly understand
Bestseller No. 17
4 Pcs Large Nylon 3" Marine Wire Cable Vent Cover, Clamshell Vent for Boat, Smooth Edge Thickness 1/8", Size: 3" x 2-1/2", Height: 1.1", Wire Vent Cover, Clamshell Vent, Free Installation Screws
  • Made of Marine grade Nylon, Excellent seawater corrosion resistance and durable, hold up exposed to salt air on boat
  • Nylon is a lighter and lower cost solution, Strength and service life are exactly the same as 316 stainless steel
  • Used for splash proof openings or outside vent of wiring cables, wires, hoses
  • SMOOTH: The flush screw covers area nice smooth touch. Edge of these clamshells are smooth and thick
  • SIZE: Approx 3" x 2-1/2", Height: 1.1"
Bestseller No. 18
TuoP Marine Stainless Steel Midget Clam Shell Vent, Wire Cable Hole Ventilator Cover for Boat, Small Size : 1-5/8" x 1-3/4", Large Size: 2-1/4" x 2-3/16" Optional (S, 2 PCS)
  • Good used to seal and openings for wire, hose,locker vents.
  • Made of mirror polished 304 stainless steel. Predrilled to accommodate for three #6 fasteners ( not Included) for installation.
  • Holes up to 1-1/4 inch Hose or wire up to 9/16 inch diameter.
  • Dimension: 1-5/8 inch L x 1-3/4 inch W x 1/2 inch H.
  • Package include: 2 pcs. Please select the proper quantity according to your need.
Bestseller No. 19
Gimiton 4 Pack Wire Cable Vent Cover, Stainless Steel Clamshell Vent, Clam Shell Vent for Boat丨Boat Marine
  • ★STYLE - Clam shell vents.
  • ★DIMENSION - 1.57 x 1.77 inch, Hole Diameter: 0.12 inch.
  • ★STAINLESS STEEL MATERIAL - marine grade, mirror surface polished.
  • ★APPLICATION - UV and weather resistant and great for routing cables, wire, etc.
  • ★FUNCTION - used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents.
SaleBestseller No. 20
Five Oceans FO3467 Small Clamshell Vent/Wire Cover for Boat
  • This Large Five Oceans Clamshell ventilator is versatile and easy to install. Built with AISI316 Stainless Steel, these vents are durable and attractive solutions for the cabin or below deck ventilation.
  • Depending on the size, location, and mounting position, clamshell vents work well covering cable pass-through holes, to shield compartment vent holes and blower exhaust openings.
  • These inexpensive and compact vents add a touch of style while shielding cable or covering vents from the water.
  • These Clam Shell Ventilators can be screwed directly on to hull or superstructure horizontally or vertically. Used to seal and splash-proof openings for wire, hose, etc. Also perfect for locker vents.
  • Dimensions: 1-3/4 inches (44 mm) x 1-9/16 inches (40 mm). FIVE OCEANS, 40 Years Developing High-Quality Marine & Outdoor Products

It can be hard to know which stainless steel clamshell vent is the best to buy. This was especially true in the past when there were fewer review websites and shoppers had to rely on word-of-mouth from friends and family. With so many stainless steel clamshell vent available on the market, it’s no wonder that people are often overwhelmed when they go shopping. In this blog post, we’ve outlined some stainless steel clamshell vent to buy. We hope that you find these tips helpful!

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