ReviewsTunnel Ventilation Ducts

RKI 4" - Professional Backdraft Damper Inline Spring Loaded for Dryer Duct

Back draft damper for insertion into 4 inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct.
A tight sealing and fastening of the duct is achieved by the rubber strip attached to the outside of the draft blocker damper. The rubber seal prevents loud rattling when the flap blades open and close. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel.
Designed for use in AC, dryers, exhaust, extractor or range hoods, heating systems, vents and other residential, commercial and industrial HVAC applications.
FUNCTIONALITY: Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This means that no (cold) air / wind can penetrate the ventilation pipe from the outside..

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Vent Systems 8 Inch Backdraft Damper - Backflow Shutter - Heavy-Duty Inline Springs Loaded - One-Way Airflow Ducting Insert - Inline Fan Vent Deflector

Back draft damper for insertion into 8 inch ventilation ducts. The backflow damper opens and closes automatically. It has a strong spring and can be....
A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The rubber seal prevents....
Designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial....
Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves....
The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be....

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8 Person Tunnel Camping Tents | Waterproof Windproof Family Tent | Large Space Divided into One Room and Two Halls | Portable with Carry Bag for All Seasons

☻New Design the Tunnel Tent --- The Tent is distribution one bedroom and two halls, and the space is large enough. Total about 8-10 people can accommodate..
☻Durable Quality - The Tunnel Tent are Waterproof, Wind and Rain, Made by waterproof polyester cloth. The Side has large breathable windows, precision mesh effectively blocking insect harassment, keep ventilation..
☻Easy to Fold, Easy to Carry -- There is the Tunnel Tent and Accessroy in a bag of Package. It is Right size and right weight easy carry to anywhere..
☻Upgrade Stronger Robustes - The Tent is support pole adopts 10.00mm fiberglass pole to ensure the stability and durability of the tent and make the tent More stable and reliable..
☻Good Quality Material to Made Tunnel Camping Tents -- The Tent External account is made of 210D Oxford cloth, with Sun Protection and Waterproof. There are each side have two windows on the left and right sides of the tent, Ensure the tent have better breathability.

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Broan ERVS100S Broan ERVS100S 105 CFM Energy Recovery Ventilator with Side Ports

QUIET, BALANCED VENTILATION: WhisperComfort cleans air and exchanges heat between incoming and outgoing exhaust air, all while operating so quietly that you might not know it's on..
LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 3-year limited warranty..
CLEAN AIR AND SAVE ENERGY: Capillary Core cleans air as it exchanges heat between incoming and outgoing exhaust air. Filters are easy-to-remove and clean. Thermal fuse protection feature is available.
EASY-TO-INSTALL: Designed for 4" ducts, WhisperComfort includes necessary mounting hardware and is easy-to-install..
CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, and Washington VIAQ codes and standards..

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UTEX 3 in 1 Pop Up Play Tent with Tunnel, Ball Pit for Kids, Boys, Girls, Babies and Toddlers, Indoor/Outdoor Playhouse

BUILT TO LAST, Made of highly colorful and high grade 190T polyester taffeta, highly resistant to wear and tear..
SUPER VALUE, The adventure play tent and tunnel set includes one square tent house,teepee house and a long tunnel.
The play tent and ball pit set features mesh 'windows' provide ventilation and peek-a-boo opportunities, two small holes on the square tent and long tunnel to provide lots of play opportunities..
TOOL FREE ASSEMBLY, Lightweight With the carry bag, Great for Children Parties, Backyard Playing, Kids Playroom, Kids Playgrounds, Kids Day Care..
REAT GIFT FOR BOYS AND GIRLS, Great gift idea for birthdays, Christmas, or just as a surprise. The colorful design will surely be loved by kids . Great for Encourages physical play and stimulates the imaginations..

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Pacific Play Tents 20435 Kids Safari Fun Dome Tent Crawl Tunnel Combo Indoor / Outdoor Fun,Multicolor

Tent size: 48" x 48" X 42" high, Tunnel size: 4-feet X 19" diameter.
Encourages physical play and stimulates the imagination at any time of the day, Fun jungle graphics.
Tent features mesh panels at the top for ventilation and easy viewing.
Tunnel has interior padding around the hardened, spring-steel construction for added comfort.
190T 70 denier high quality Polyester taffeta prevents rips and tears, Super Poles are safety-coated to prevent splintering or shattering.

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Joe Rocket Atomic Men s 5.0 Textile Motorcycle Jacket Red Medium

Combined Waterproof treated Rock Tex and Hitena outer shell for maximum impact resistance.
Externally accessible C.E. approved armor in shoulders & elbows.
Removable Spine Armor with Pocket for Optional C.E. Spine Protector.
Variable Flow ventilation system with waterproof zippers. Fit is just right, with the arms the right length for sport bike riding, as well as upright....
Cross Linked Ventilation with Wind Tunnel Cooling Patent Pending.

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iPower 6 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 6\

Lightweight valve wings: The valve wings open under the pressure created by the airflow and then automatically close with the spring work. The backflow flap closes automatically at low air volumes. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
Keep away from rattling: It has an internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally.
One-way airflow ducting insert: Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.
Material: The 6 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 °F.
Wide applications: Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation.

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VEVOR Walk-in Tunnel Greenhouse, 10 x 7 x 7 ft Portable Plant Hot House w/ Zippered Door, 6 Roll-up Windows, Galvanized Steel Hoops, 1 Top Beam, and 2 Diagonal Poles, Green

【Excellent Air Ventilation】With 6 mesh windows, our tunnel greenhouse can keep out small "annoyances" and increase cross ventilation and airflow. Moreover, we have a roll-up zipped door for air to freely enter and exit. Keep your space clear of debris and make sure every breath you take is one to remember..
【Upgraded Galvanized Frame】We upgraded he galvanized steel to 0.8" diameter and 0.02" thickness. This high tunnel greenhouse has 3 top beams to prevent rain and snow buildup on the dome. Moreover, the diagonal poles can ensure stability during extreme weather. We have got you covered, so get ready to see your crops grow all year round..
【High-Quality Waterproof PE】The walk-in tunnel greenhouse comes with a PE cover, which can protect your plants from ultraviolet rays, rust, snow, and rain all year round. The size of the cover fits the frame closely, enhancing the warmth and wind resistance in winter..
【All Tools Included】 The hoop house greenhouse is easy to assemble with connectors, and screw covers can prevent scratches and rust.Includes 4 ropes, stakes, and guy ropes for added security, stability, and strength. Note: Do not tighten screws until the final position is confirmed..
【Warm Home for Plants】 Our 10 x 7 x 7 ft green hous....

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Portable Greenhouse Cover - Small Greenhouse Vegetable Cover Hot House | Rainproof Antifreeze Green House Polytunnel for Indoor and Outdoor Use Wuwai

✥Protection for Plants: Portable Greenhouse Cover provides a variety of plants with favorable living conditions for fast and healthy growth. It protects crops from inclement weather, birds, and outdoor elements..
✥Stable and Durable: The Small Greenhouse Cover features a PE cover and green polyester edging, which provides greater durability, stability, and insulation..
✥Functional Door: The Sturdy Polytunnel Cover has roller shutters for ventilation and viewing, and also protects the plants from birds. It allows you to open section at a time..
✥Convenient to Use: The Grow Tunnel PE Cover is easy to install and requires no tools in the process. It's perfect for indoor and outdoor use and keeps your gardens growing year-round..
✥Compact and Small: The Mini Plant Grow Tunnel is ideal for those with limited growing space, such as patios, small gardens, and balconies. The long tunnel greenhouse provides ample space for plant growth..

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AGV 2021 Men's Sport Modular Tricolore Helmet Matte Black/Carbon XL

Entirely built in Carbon Fiber (shell and chin), this specific structure achieves the same protection performance of Pista GP R in an incredibly lightweight construction, combining the highest levels of comfort and safety.
Designed to offer 190° horizontal view as the human eye capability, Sport Modular has been conceived in the wind tunnel for superior quietness, aero stability and ventilation.
Shell in 100% Carbon Fiber engineered in 3 sizes with 5-density EPS structure developed in 4 sizes.
IVS (Integrated Ventilation System) ventilation with a large front vent, a chin guard vent and a rear extractor hollowed in the shell which direct air to the rider’s head without interference with the internal sun visor.
Internal chin channels distribute the airflow evenly through the entire visor surface.

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