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Best Air Damper

Draft Blocker - 4'' Inch Backdraft Damper Duct - Draft Stopper - Backflow Preventer - Inline Fan Vent - Vent Deflector (4'' Inch)

  • Back draft damper is made for insertion into 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.
  • Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC applications.
  • INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction..
  • The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically.
  • Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ....
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DNM Mountain Bike Air Rear Shock with Lockout 190mm

  • PRODUCT SPECIFICATION: Adjustments Rebound / Lockout / Air Pressure Adjustable, Damper shaft Dark hard-anodized AL-7075 Ø 10 mm (0.39 inch) shaft. Dark hard-anodized AL-6061 shock body.Riding style XC /TRAIL, Available Size Eye to Eye x Travel 165 x 35 mm ( 6.50 x 1.38 inch) 190 x 50 mm ( 7.83 x 1.97 inch) 200 × 55 mm ( 7.87 × 2.17 inch) Weight: 0.4 KG(0.88 Ib) for 165 mm Lenght.
  • EXTRA BUSHING INCLUDES: Top Busing Size 8mm x 24mm Bottom Bushing Size 8mm x 24mm, Includes extra bushing and hardware 8mm x 50mm Length. We Have Included An Additional Set Of Accessories To Meet The Different Size Requirements Of Some Customers Please see 2nd Pictures.
  • Rebound Adjustment Knob +direction Rotation Increase Damper (Slow),- Direction Rotation, Decrease Damper (Fast). Compression Adjuster + Direction Rotation Lock-out,- Direction Rotation Open Up.main Air Chamber Supply Air Pressure According To Pressure Meter.
  • Weight 120 lbs - Main air chamber 90 Psi, Negative air chamber 50 Psi.Weight 140 lbs - Main air chamber 105 Psi, Negative air chamber 50 Psi.Weight 160 lbs - Main air chamber 120 Psi, Negative air chamber 55 Psi.Weight 180 lbs - Main air chamber 135 Psi, Negative air chamber 65 Psi.Weight 200 lbs - Main air chamber 1....
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Draft Blocker 6 Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Vent Deflector 6 Inch

  • Back draft damper is made for insertion into inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring....
  • Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC....
  • INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal....
  • The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from....
  • Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are....
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DNM Damping 3 System Mountain Bike Air Rear Shock Rebound/Lock Out/Air Pressure Adjustable AL 7005 Shark/AL 6061 Shock Body 165mm (6.5\) x 35mm

  • PRODUCT SPECIFICATION: Adjustments Rebound / Lockout / Air Pressure Adjustable, Damper shaft Dark hard-anodized AL-7075 Ø 10 mm (0.39 inch) shaft. Dark hard-anodized AL-6061 shock body.Riding style XC /TRAIL, Available Size Eye to Eye x Travel 165 x 35 mm ( 6.50 x 1.38 inch) 190 x 50 mm ( 7.83 x 1.97 inch) 200 × 55 mm ( 7.87 × 2.17 inch) Weight: 0.4 KG(0.88 Ib) for 165 mm Lenght.
  • EXTRA BUSHING INCLUDES: Top Busing Size 8mm x 24mm Bottom Bushing Size 8mm x 24mm, Includes extra bushing and hardware 8mm x 50mm Length. We Have Included An Additional Set Of Accessories To Meet The Different Size Requirements Of Some Customers Please see 2nd Pictures.
  • Rebound Adjustment Knob +direction Rotation Increase Damper (Slow),- Direction Rotation, Decrease Damper (Fast). Compression Adjuster + Direction Rotation Lock-out,- Direction Rotation Open Up.main Air Chamber Supply Air Pressure According To Pressure Meter.
  • Weight 120 lbs - Main air chamber 90 Psi, Negative air chamber 50 Psi.Weight 140 lbs - Main air chamber 105 Psi, Negative air chamber 50 Psi.Weight 160 lbs - Main air chamber 120 Psi, Negative air chamber 55 Psi.Weight 180 lbs - Main air chamber 135 Psi, Negative air chamber 65 Psi.Weight 200 lbs - Main air chamber 1....
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Speculations on the Fourth Dimension Selected Writings of Charles .H Hinton

  • The Listed size 12"x 8" is for inside duct opening measurement (duct hole), actual outside dimension is 13.75" X 10".
  • All plastic construction with 1/2" fin spacing for high air flow with rust proof feature perfect for areas with high moisture.
  • Three way air deflection design with bright white face and black damper in the back.
  • Multi-shutter damper with easy handle to adjust desired amount of air flow.
  • Two screw holes on each side with two screws included.
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DNM Damping 3 System Mountain Bike Air Rear Shock Rebound/Lock Out/Air Pressure Adjustable AL 7005 Shark/AL 6061 Shock Body 200mm (7.87") x 55mm

  • PRODUCT SPECIFICATION: Adjustments Rebound / Lockout / Air Pressure Adjustable, Damper shaft Dark hard-anodized AL-7075 Ø 10 mm (0.39 inch) shaft. Dark hard-anodized AL-6061 shock body.Riding style XC /TRAIL, Available Size Eye to Eye x Travel 165 x 35 mm ( 6.50 x 1.38 inch) 190 x 50 mm ( 7.83 x 1.97 inch) 200 × 55 mm ( 7.87 × 2.17 inch) Weight: 0.4 KG(0.88 Ib) for 165 mm Lenght.
  • EXTRA BUSHING INCLUDES: Top Busing Size 8mm x 24mm Bottom Bushing Size 8mm x 24mm, Includes extra bushing and hardware 8mm x 50mm Length. We Have Included An Additional Set Of Accessories To Meet The Different Size Requirements Of Some Customers Please see 2nd Pictures.
  • Rebound Adjustment Knob +direction Rotation Increase Damper (Slow),- Direction Rotation, Decrease Damper (Fast). Compression Adjuster + Direction Rotation Lock-out,- Direction Rotation Open Up.main Air Chamber Supply Air Pressure According To Pressure Meter.
  • Weight 120 lbs - Main air chamber 90 Psi, Negative air chamber 50 Psi.Weight 140 lbs - Main air chamber 105 Psi, Negative air chamber 50 Psi.Weight 160 lbs - Main air chamber 120 Psi, Ne....
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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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RUTU 44mm CNC Upgrade Kit Air Filter Adapter Replacement for 2 stroke 33cc 43cc 47cc 49cc Gas Scooters, Chinese ATV Dirt Bike Quad Pocket Bike Engine XG-550 BladeZ Moby XKit with Choke Lever Red

  • Cleaner Air For Your Engine - For effective filtration, this kit includes an upgraded CNC air filter with damper. The damper lever is easy to switch on and off, thanks to a conveniently placed snap..
  • Flush Fit - Precision engineering and design allow for accurate positioning of the damper. This results in smaller gaps while it slides and a more seamless and secure fit so it doesn't loosen up..
  • Longer-Lasting Air Filter - The high-flow air filter features a newly-designed anti-leak structure and a stainless steel locking loop. The upgraded rubber mouth is resilient against damage and aging..
  • Fits A Wide Variety Of Machines - This bike motor kit is compatible with various 2 Stroke 43cc, 47cc, and 49cc scooter engines. It can be installed on gas scooters, quads, pocket bikes, and choppers..
  • Complete 2 Stroke Bike Engine Kit - The package includes a 44mm air filter, a choke lever, gaskets, bolts, and L-wrench. Every part is built to last and is backed by a 1-year replacement warranty..
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Backdraft Exhaust Damper Seal 4 Inch by Calimaero One Size Fits All 4 Duct Backdraft Damper Gravity Powered Made in Germany 4 Inch HVAC Damper Dryer Vent Valve Keep Cold Air Out

  • PRODUCT FEATURES This 4inch damper vent air blocker does what it is designed to do. It prevents outside air from entering back into your house via dryer, bathroom fan, and grow tent. You will be very pleased with the quality, functionality, value, and ease of installation of this product..
  • EASY INSTALLATION The 4 inch backflow preventer is easy to install. You will only cram these in the 4" duct and the rubber flap will seal off drafts coming in from your dryer vent or bathroom exhaust fan. Make sure the flaps open away from the ventilator. The outer rubber ring creates a seal around the strong plastic body giving you the perfect vent damper..
  • FLEXIBLE This backdraft damper's main recycled plastic part is small enough to fit into almost all PVC, metal, and other ducts with 4 inch size. No need to buy multiple products to find the one that works. Purchase with ease and relax in your draft free living space..
  • CONVENIENT This 4 inline damper duct valve gummi flaps are easy to open for almost all dryers or booster fans. The lack of moving spring will ensure a long lifespan that will save you time and money. As the product ....
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Weber Bar-B-Kettle Charcoal Performer Touch-N-Go Replacement Gas Grill Damper Kit 63070

  • Weber 63070 Charcoal Kettle Grill Lid Damper Kit.
  • Fits 14" Smokey Joe, 18" and 22" One Touch Gold/Silver/Platinum, and 22" Master Touch models.
  • Features 4 air vent holes and a rubber comfort grip tab to adjust vents.
  • Includes: (1) Instruction sheet (1) 4-1/2" Diameter Lid damper with "Weber" name (1) Molded handle for lid damper, black (1) 1/4''-20 x .625 Slotted....
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Broan-NuTone F404201 42-inch Under-Cabinet 4-Way Convertible Range Hood with 2-Speed Exhaust Fan and Light, White

  • ...) to evenly illuminate your cooking area and is controlled by a rocker switch for ease of use.
  • DISHWASHER-SAFE FILTER: One-piece dishwasher-safe aluminum grease filter offers easy cleaning and maintains optimum grease capture.
  • 4-WAY CONVERTIBLE INSTALLATION: Installs as 3.25" x 10" vertical or horizontal ducting with damper, 7" round vertical ducting (damper sold separately), or non-ducted with air recirculation (filter sold separately) to provide versatile installation at least 18" above the cooktop.
  • Four way convertible installs ducted 3-1/4-Inch by 10-Inch vertical or horizontal and 7-Inch round vertical and non-ducted.
  • Includes 3-1/4-Inch by 10-Inch damper/adapter and the 7-Inch round adapter.
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Broan-NuTone F403604 36-inch Under-Cabinet 4-Way Convertible Range Hood with 2-Speed Exhaust Fan and Light, Stainless Steel

  • ...) to evenly illuminate your cooking area and is controlled by a rocker switch for ease of use.
  • DISHWASHER-SAFE FILTER: One-piece dishwasher-safe aluminum grease filter offers easy cleaning and maintains optimum grease capture.
  • 4-WAY CONVERTIBLE INSTALLATION: Installs as 3.25" x 10" vertical or horizontal ducting with damper, 7" round vertical ducting (damper sold separately), or non-ducted with air recirculation (filter sold separately) to provide versatile installation at least 18" above the cooktop.
  • Four way convertible installs ducted 3-1/4-Inch by 10-Inch vertical or horizontal and 7-Inch round vertical and non-ducted.
  • Includes 3-1/4-Inch by 10-Inch damper/adapter and the 7-Inch round adapter.
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Generic inch HVAC Duct Manual Damper with Sleeve

  • The round manual balancing damper is used to regulate air flow in pipe..
  • BARREL: (B) 6” long, beaded & tapered..
  • ALL DIAMETERS: (A) sized 1/8” under nominal.
  • BODY MATERIAL: Galvanized Metal - 26 gauge.
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