Best Viper Vent in 2026

Features and Benefits

Designed with ultra-low profile, nearly invisible when installed

Superior edge strengthen for uniform installation

Protects your RV's interior from rain

Constant airflow prevents heat build-up, lets musty air, smoke and cooking odors escape

Proven, super tough one piece design. Made of High Density Polyethylene with maximum UV Protection

1 piece of base and 1 piece of cover

The base is 5-1/4" in diameter

3" tall with the top part installed

Extremely Durable: This is a heavy duty 26 gauge galvanized roof vent hood with a high performance polyester powder coated finish.

Protection Against Corrosion: Our vent caps are ASTM B117 tested for anti-corrosive properties, showing very little or no signs of corrosion on our high performance polyester powder coated galvanized steel surface. Other leading and foreign brands have little or no corrosive protection.

Features: Riveted construction; does not use caulk. Includes pre-drilled holes for easy mounting. Vent also comes with a flapper (damper) that prevents back drafts.

Extremely Durable: This is a heavy duty 26 gauge galvanized roof vent hood with a high performance polyester powder coated finish.

Protection Against Corrosion: Our vent caps are ASTM B117 tested for anti-corrosive properties, showing very little or no signs of corrosion on our high performance polyester powder coated galvanized steel surface. Other leading and foreign brands have little or no corrosive protection.

Features: Riveted construction; does not use caulk. Includes pre-drilled holes for easy mounting. Vent also comes with a flapper (damper) that prevents back drafts.

➊ The Camp'N <b>Replacement RV Roof Vent Cover</b> is compatable with most popular roof vents. Compatable with Ventline roof vents prior to 2008 and Elixir roof vents starting 1994. Please reference the images in the listing to make sure your vent is compatable with this replacement.

➋ Each Camp'N RV vent cover replacement measures <b>14" x 14" </b>

➌ Our <b>Highly Durable</b> rv ceiling vent covers are manufactured with impact resistant plastics for longlife.

Eliminates Odor - Exhausts Odors Out The Roof Vent Before They Have A Chance To Invade Your Rv

Compatibility - Engineered For A Universal Fit, The 360 Siphon Is Compatible With All Rv Vent Caps

Durability - Built With Polycarbonate, The Sophisticated, Patented Design Of This Vent Has No Moving Parts

UNIVERSAL RV VENTILATION SYSTEM: The Starvent Roof Vent and Fan allows for airflow within your motorhome, letting out smoke, moisture, and odors and cooling your space. Compatible with a 1.16”– 5.5” roof, it fits standard 14”x14” ceiling openings

6-SPEEDS: The 12 volt variable-speed fan has six settings to boost or reduce airflow as needed with a reversible blade rotation to either pull air in or push it out

IMPROVED DESIGN: This exhaust system keeps your camper fresh and bright with transparent fan blades that bring sunlight in and a smoke-colored dome that filters out sun's. It is easy to open and close the dome and includes a removable screen easy for cleaning or maintenance

Powerful and Efficient: This RV roof fan provides a fantastic air circulation for your RV Tralier or Camper. And it moves a lot of air but only use little power because of this durable and stable can motor.

QUIET: RVLOVENT 12 volt RV roof vent can intake or exhaust fresh air immediately and stay cool without distracting noise.

3-SPEED FAN REVERSIBLE : The fan can be operated in Reverse/Forward mode. This RV roof vent fan available in Low, Medium, Max on forward/reverse direction and Medium, Max on reverse/forward direction.

Lift mechanism provides a smooth operation and eliminates chatter; 14.25 inch x 14.25 inch rough opening

The slide mechanism has more surface area contact

Making the guide bar stronger and allowing better distribution of stress

Package Weight: 1.347 Kilograms

Country Of Origin: Mexico

Package Height: 30.48 Centimeters

Quality ABS material: the round air vents made of premium quality ABS material, no smells and non-toxic, thickened durable.

Build-in screen mesh: to effectively keep bebris, rain from entering the indoor places, also prevent the duct pipe from being blocked. The screen mesh can be dismantled freely, easy to clean and maintain.

Slanted louver design: the 45° slanted louver design can make the fresh air flow into your home easily, providing you a better healthy life.

PERFORMANCE: This high quality exhaust vent-cap is designed to be used with bathroom and kitchen exhaust venting systems

SPECIFICATIONS: This vent-cap is available in four sizes and two color options. This model includes a 3” long pipe extension located underneath the flange for connecting to flex tubing.

DURABLE: This vent-cap is constructed with heavy gauge steel and includes a damper to prevent back draft, and a screen to help keep out insects and birds

These RV Roof Covers are made of high quality plastic material, UV resistant, durable to use.

This roof vent expels sewer gas to prevent unpleasant odors from entering your RV's cabin through your plumbing. Vent mounts on top of your RV's ventilation pipe.

Easy to install. 6 screw holes in the base for mounting, screw right on, make sure you have silicone caulking to seal all around it. Cap easily snaps onto the vent.

MANUFACTURER DIRECT: 100% Made in the USA by an American Workforce

Silicone Flashers are rated to service a continuous temperature range of -100 to +450 degrees Fahrenheit.

Flashers’ flexible rubber won’t crack and allows for expansion, contraction, and pipe vibration. The heavy rubber fold and aluminum ring at the base allows them to fit any roof pitch or metal profile.

This item is Broan-Nutone 636 Roof Vent Cap Only

Used For Appliance Parts & Accessories,Miscellaneous Accessories

The product is manufactured in United States

Measures 12”

Includes lifetime manufacturer’s warranty

Base adjusts to 12/12 roof Pitch

Fits Heng's Jensen 14" x 14" vents

6" arm assembly

Metal construction

MANUFACTURER DIRECT: 100% Made in the USA by an American Workforce

EPDM Flashers are rated to service a continuous temperature range of -65 to +250 degrees Fahrenheit.

Flashers’ flexible rubber won’t crack and allows for expansion, contraction, and pipe vibration. The heavy rubber fold and aluminum ring at the base allows them to fit any roof pitch or metal profile.

MANUFACTURER DIRECT: 100% Made in the USA by an American Workforce

Silicone Flashers are rated to service a continuous temperature range of -100 to +450 degrees Fahrenheit.

Flashers’ flexible rubber won’t crack and allows for expansion, contraction, and pipe vibration. The heavy rubber fold and aluminum ring at the base allows them to fit any roof pitch or metal profile.

A quiet fan system designed for improving wall and floor register airflow from HVAC systems.

Programmable LCD controller with heating and cooling thermostat, and automated fan speeds.

Premium aluminum frame with CNC-machined detailing, painted with a matte-white finish.

Leisure Coachworks Black Vent Lid --Advanced Design: Low-profile aerodynamic design offers high-flow ventilation

Sturdy Construction: Sturdy construction & One long continuous hinge for fully adjustment

High Quality: High-density UV-resistant polyethylene and rust-resistant hardware for years of rugged use

Hon&Guan 4'' dryer vent cover is made of high quality ABS.

Diameter 100mm, sleeve height 75mm.

Hon&Guan extractor vent outlet has a fine mesh to prevents damage to your home and a weather seal to prevent unwanted leaks and drafts.

Package includes: 3 pieces 20 mesh stainless steel mesh .

Material and size: the mesh sheets are made of high-qualified 304 stainless steel. Each in size of 30 x 21cm/ about 12 x 8 inches, approximately A4 size,Aperture: 1mm, Wire Diameter: 0.4mm.

These metal sheet is very strong and durable, rustproof. you can bend or cut by a scissor to fit the shape and size, easy to handle and care.

【STAY TEMPERATURE YEAR-ROUND】- SIKADEER RV Skylight Insulation Cover blocks the air and heat exchange between the inside and outside. This allows your Camper to warm quickly in winter and cool quickly in summer, reducing energy consumption.

【FIT 14 INCH SKYLIGHT WELL】- The size of the product is 14"x14"x3", which can fit into the same-sized RV skylight perfectly. Make sure skylight sidewalls are vertical and not curved.

【INSTALL IN SECONDS】- RV vent insulator inner is a highly elastic sponge. So you just need to insert it into the vent to install. Also can be removed easily. It is very convenient for daily use and cleaning.

HIGH-QUALITY ROOF CAP: Roof cap for use with Range Hoods, LoSone Fans, and bath ventilation fans maximizes the air and sound performance of your fan or range hood

DURABLE: Constructed of sturdy, 24-gauge CRCQ steel construction with a black electrically-bonded epoxy finish to ensure durability and lasting use

RELIABLE: Includes a built-in, backdraft damper and bird screen provide a dependable roof cap you can rely on

This vent cover is made for Jensen 14" x 14" RV Vent.

Made from Made of durable, impact resistant polypropylene, make it lightweight and durable, not only can the fresh air into the car, but also effectively block the UV rays, prevent rain, leaves into.

Low-profile aerodynamic design offers high-flow ventilation;fresh air circulating in your RV. It is supposed to make comfortable experience and enjoyment in your driving.

Package of 4 vents.

Easy to install in wood. Not made for metal, glass, or PVC pipe.

Fits in a 3 inch round hole.

【MATERIAL】Made of high-quality stainless steel material, environmental-friendly, safe, sturdy, durable, anti-rust and corrosion resistant.Fine workmanship, beautiful decor for home, modern new house necessity.

【DESIGN】Design of round flat cover with 45°Louver and built in fly screen mesh,inside louver design has secondly rainproof effect to prevent rain from damage,fly sceen mesh to prevent small pet into house .

【EASY INSTALLATION】 The air vent could be controlled to meet your demand by adjusting the regulating valve of our air vent, convenient and practical. Can be perfectly installed on the ceiling or wall, also very easy to disassemble for conveniently cleaning.

3" Round Polypropylene Plastic Louver

Easy Installation into wood - may not work with metal glass or PVC pipe ~ Recommend using drill type hole saw ~ Held in place by knobs on the side of vent

Multi-purpose - for eaves, reptile cages, display cases, spice racks, and any other place where you need air ventilation. ~ Ideal for room exhaust and intake ventilation use