ReviewsTunnel Air Ducts

Vent Filter, Air Vent Filters, MERV 8 Electrostatic Triple Filtration Floor Vent filters - 4"x10", 90 day filtration. (12)

... ►PREMIUM MERV 8 ELECTROSTATIC TRIPLE FILTRATION: Our air vent filters for home / register filters material are specifically engineered for your 4x10 air vent filter. They are engineered as vent filters for home, but can be used for many other DIY purposes. They also prevent debris from falling into the ducts and guards against creepy crawlees travelling into your house from your air ducts..
►Reduce the amount of air duct cleaning every year using these for any air duct vent filter and house air vent filter needs such as a ceiling vent filter, register vent filter, air duct filter, heating vent filter, ac vent filter, floor vent filter, and more..
►To install remove the vent deflector and any air vent cover. Grab the vent register from the floor and pull up. Flip the vent register over and insert the filter between the grates and the vent. Reinstall the floor vent register with air filter and replace the air deflector..
►MADE FROM 100% NON-WOVEN POLYESTER: VERY LITTLE TO ZERO REDUCTION IN AIR FLOW! This series of filter is engineered from 100% non-woven blue and white polyester. Two distinctly differe....

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Leyso 20” White Powder Coated 4-Way Adjustable Air Diffuser for Evaporative Swamp Cooler, 22” Mounting Edge (20\x20\x6\)

Durable - Diffuser is made from white powder coated metal making it durable and longer lasting..
Mounting Size - For up to 20” diameter round ducts or 20” x 20” rectangle ducts. This product is designed to cover a 20” x 20” hole size. The mounting size is 22” x 22”. Please measure your installation area before purchase..
Versatile - This white powder coated metal diffuser is for evaporative/swamp cooler which is perfect for restaurants and bars..
Easy To Install - The white powder coated metal diffuser comes with an 1” width edge at the end of the body for easy installation. Screw holes are not pre-drilled, please drill hole on each edge then mount the screw to the ceiling..
Adjustable Air Outlet - There are a total of 4 adjustable air outlet/shutoff to control where the air will flow. Body dimension: 20”W x 20”L x 6”H..

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EquipmentBlvd 18” White Powder Coated 4-Way Adjustable Air Diffuser for Evaporative Swamp Cooler, 20” Mounting Edge (18"x18"x6")

[Durable]- Diffuser is made from white powder coated metal making it durable and longer lasting..
[Mounting Size]- For up to 18” diameter round ducts or 18” x 18” rectangle ducts. This product is designed to cover a 18” x 18” hole size. The mounting size is 20” x 20”. Please measure your installation area before purchase..
[Versatile]- This white powder coated metal diffuser is for evaporative/swamp cooler which is perfect for restaurant and bar..
[Easy To Install]- The white powder coated metal diffuser comes with an 1” width edge at the end of the body for easy installation. Screw holes are not pre-drilled, please drill hole on each edge then mount the screw to the ceiling..
[Adjustable Air Outlet]- There are a total of 4 adjustable air outlet/shutoff to control where the air will flow. Body dimension: 18”W x 18”L x 6”H..

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uxcell Aluminum Foil Tape Black Matte Tape Non Reflective 15mmx50m/164ft for HVAC, Sealing, Patching Hot and Blocking Light

Aluminum Foil General Purpose - Waterproof, Flame Retardant, Strong Self Adhesive, Directly stretched around the area to be protected, no adhesives needed..
The tape is in a black finish, Non-Reflective but absorbs light from ambient light sources. suit for blocking lighting, spills on heat-generating equipment.
This adhesive aluminum tape provides an excellent bond on metals, plastics, copper, ceramic, and concrete..
designed to easily seal HVAC Air Ducts as well as other Hot or Cold Intakes..

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Taytools 465388 Set of 6 each 4 OD Blast Gates Self Cleaning No Clog Aluminum for Dust Collection System

Designed to fit 4" diameter hose or ducts.
Direct air flow to exactly where you need it and maximize dust extraction by opening and closing select ducts.
Open slot at back to for self-cleaning, no-clog operation.
Cast aluminum, steel sliding gate, locking knob.

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uxcell Aluminum Foil Tape Black Matte Tape Non Reflective 10mmx50m/164ft for HVAC, Sealing, Patching Hot and Blocking Light 2pcs

Aluminum Foil General Purpose - Waterproof, Flame Retardant, Strong Self Adhesive, Directly stretched around the area to be protected, no adhesives needed..
The tape is in a black finish, Non-Reflective but absorbs light from ambient light sources. suit for blocking lighting, spills on heat-generating equipment.
This adhesive aluminum tape provides an excellent bond on metals, plastics, copper, ceramic, and concrete..
designed to easily seal HVAC Air Ducts as well as other Hot or Cold Intakes..

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4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector Silver

【Material】The 4 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel..
【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation..
【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use..
【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications..
【Note】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 different..

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Professional Grade Aluminum Foil Tape - 2 Inch by 210 Feet 70 Yards 3.6 Mil - High Temperature - Perfect for HVAC Sealing & Patching Hot & Cold Air Ducts Metal Repair More!

2 INCH BY 70 Yards - 33% MORE THAN THE COMPETITION! - Made in a Beautiful Silver Metal Finish..
INCREDIBLY RESISTANT - Easily Resists Moisture, UV Rays, Flames, Chemicals, and Performs well in any type of Weather!.
PERFECT FOR SEALING AIR DUCTS - Designed to easily seal HVAC Air Ducts as well as another other Hot or Cold Intakes..
STICKS TO ANY SURFACE - Designed for HVAC but easily sticks to any type of finish, just ensure surface is clean of debris..
TEMPERATURE RATING for of up to 250 degrees F and as low as -4 degrees F.

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4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Vent Deflector (4 in)

【Material】The 4 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..
【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation..
【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use..
【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications..
【Note】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 different..

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uxcell Aluminum Foil Tape Black Matte Tape Non Reflective 12mmx50m/164ft for HVAC, Sealing, Patching Hot and Cold Air Ducts

Temperature: Short Term 120℃/ Long Term 95℃.
Aluminum Foil General Purpose - Waterproof, Flame Retardant, Strong Self Adhesive, Directly stretched around the area to be protected, no adhesives needed..
The tape is in a black finish, Non-Reflective but absorbs light from ambient light sources. suit for blocking lighting, spills/leakages on heat-generating equipment (projectors, light cans, barn-doors, etc)..
This adhesive aluminum tape provides an excellent bond on metals, plastics, copper, ceramic, and concrete. Conformable and pressure-sensitive adhesive enables it to fit on corrugated joints and irregular corners..
designed to easily seal HVAC Air Ducts as well as other Hot or Cold Intakes..

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EXTECH Instruments 407113 CFM Metal Vane Anemometer

4" (10cm) vane allows for more precise readings on larger size ducts.
Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew Point.
Multipoint and timed average calculations.

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