Best Generic Hvac Ducting in 2026

Designed for ventilation applications including HVAC, dryer, grow rooms and tents.

Four layer design makes it more durable and resistant to leaks, tears, and cuts.

Steel-wire spiral structure is flexible and easy-to-install in hard to reach places.

【LOW NOISE SILENCER】3 inch duct designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.

【3 INCH FLEXIBLE HOSE LIGHTPROOF】Thick layer of black PVC on dryer hose prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 3" in diameter.

【3-LAYER TOUGH】Hon&Guan 3 inch duct hose keep your ventilation system free of rips and pin holes. The flex duct is built with 2 layers of aluminum foil with a layer of PET and steel wire helix to preserve the shape, keep your ventilation system free of rips and pin holes.

12" (315mm) ID LIGHTPROOF DUCTING : This flexible aluminum duct is designed to fit 12.3" (313mm OD) fans and filters. Thick layer of Black PVC on this ducting prevents light leaks and improves puncture resistance. Works with exhaust and intake fans, carbon filters and hooded lights which are 12-12.3" in diameter

4-LAYER TOUGH: Keep your ventilation system free of rips and pin holes. Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to preserve the shape

FLEXIBLE AND EASY TO USE: Our 12 Inch Duct is super flexible and easy to install, it will slide right on your Duct Fan, Vent Exhaust, Carbon Filter or Light Reflector. We include a pair of 12 Inch Clamps to make the installation a breeze

Flexible PVC Ducting: Applied hard-wearing, flexible vinyl woven polyester with carbon wire spring and adhesive tape, smooth inside wall. Designed to be super flexible and flame-retardant.

Ropes Adjustable: Thick ropes can be adjusted to fit the duct' mouth size, ensuring a good-sealing environment and high woking efficiency.

D-shaped Rings: D-shaped rings are set for hanging the ducting freely. Two stainless steel rings plus 4 D-shaped rings of two meters for one ring.

4" Plastic inline round duct connector with backdraft damper.

Outside dimension of the duct fits 4" inch flex or solid ducting pipe.

Assembly: Press on chosen duct - flexible or straight - and use montage glue. tape or steel clamps tighten the connection.

Made of High Quality ABS Plastic and perfectly designed for DIY and Trade

Duct Connector Flange - Easily fit with different 4 inch plastic pipes for HVAC

Very easy to install. A quick solution to easily connect an air duct to a wall, floor or ceiling opening.

6" Adjustable Duct Elbow for home HVAC Duct.

Sheet Metal HVAC Elbow.

6 Inch Gored Duct Elbow

Size: 3-1/4" x 10" x 4"30 gaugeHVAC galvanized register bootUsed for right-angle center-end transition from round pipe or insulated flexible duct to a register or grille

High Quality: Aluminum Housing On the Outside and on the Inside For The Best Insulation Value

Air-tight Inner Core Decreases The Pressure Loss and Provides A More Hygienic Environment- High Energy Efficient / No fiberglass erosion into air stream.

Thick Blanket of Fiberglass Insulation: Which Gives You A R-Value of 8.7

3 INCH FLEXIBLE DUCTING - Our 3 inch boat blower hose is made of Aluminum and PVC Thermoplastic. 3inch diameter and 16.5 feet total length. Come with 2 pack stainless steel clamps.

DESIGNED for VENTILATION APPLICATIONS - The 3 inch flexible hose is designed aluminum and PVC thermoplastic constructed flexible ventilation ducting according to your HVAC, dryer, grow rooms or tents

4-LAYER DEISGN: Our 3 inch vent hose features four-layer protection, making it more durable and resistant to leaks than single-layer designs. The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant, the outer layer adopts black dual PVC thermoplastic that protects the aluminum from cuts and tears while preventing leakage

Product Size: The vent hose is 3 inches (diameter) x 9.84 feet (length) when fully extended. With the extra plastic coating, this hose is more durable and sturdy.

High Quality Materials: Allvent duct hose made of extra strength 4-layers - aluminum foil + PET + aluminum foil and outer black layer (PVC) ensure working on -22 to 266℉ environment.

Perfect Design: Air duct hose use helically shaped design,steel wire helix to preserve the shape and provide additional strength and support to the body of the hose,keep an air tight and leak proof. designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.

White vinyl hose

2 plastic clamps

4 inch Dia

Galvanized to end a heat duct run and used for a floor register outlet

✅ 𝐃𝐔𝐂𝐓 𝐂𝐎𝐋𝐋𝐀𝐑 𝐀𝐈𝐑 𝐓𝐈𝐆𝐇𝐓: 4 inches in diameter, made for 4" flexible or UNcrimped rigid sheet metal ducting. All our collars are 6 inches long & the flange around the outside 1-1/5" (1.5) inch. Quick solution for easily connecting your ducting to your wall, floor, or ceiling opening. The Collar Air Tight Duct is perfectly suited to connect your ducting to your wall, floor, ceiling opening, Extractor Fan, and In-line Extract fan or any other indoor-outdoor heating cooling pipe.

✅ 𝐇𝐈𝐆𝐇-𝐐𝐔𝐀𝐋𝐈𝐓𝐘 𝐒𝐇𝐄𝐄𝐓 𝐌𝐄𝐓𝐀𝐋: Made from galvanized steel and pre-crimped, Provides a trouble-free, air-tight installation. They are high quality and have long-lasting durability. The Sheet Metal Kid is proud to provide unsurpassable quality ducting components. The Sheet Metal Kid air tight ducting collar is known to be the strongest ducting on the market, as well as being effortless to install, taking 40% less time to install than other duct takeoff methods.

✅ 𝐄𝐀𝐒𝐘 𝐓𝐎 𝐈𝐍𝐒𝐓𝐀𝐋𝐋: Pre-drilled holes in a convenient 1.5-inch flange to ensure easy and secure mounting to the wall, ceiling, or any other surface. The fast and easy way for connecting flex ducting or solid rigid sheet metal ducting. The Sheet Metal Kid's products are made to be used for home improvement and office improvement. Durable material holds up during handling and installation. Quick-Fit holds its own when compared to other Air Tight Duct products on the market.

✅ 𝐃𝐔𝐂𝐓 𝐑𝐄𝐃𝐔𝐂𝐄𝐑 & 𝐈𝐍𝐂𝐑𝐄𝐀𝐒𝐄𝐑: Sheet metal HVAC Duct Reducer for flexible or metal HVAC Ducts and air vents. Used to connect two air ducts of different diameters to create a seamless ventilation system duct. Sturdy steel ducting is perfect for DIY and Trade use. This is a very practical duct, all in one, solid duct which can be used when connecting two different, solid or flexible ducts or ducts to ventilators, or vice versa, from small to large, larger too small.

✅ 𝐇𝐈𝐆𝐇-𝐐𝐔𝐀𝐋𝐈𝐓𝐘 𝐌𝐄𝐓𝐀𝐋 𝐒𝐇𝐄𝐄𝐓: Our sheet metal reducers and increasers are manufactured from the highest quality of galvanized steel. Perfect for use with either flexible duct or rigid sheet metal duct. Never be restricted to your air conditioner's ducting requirements again. Once it's in position can be sealed with duct sealer.

✅ 𝐄𝐗𝐓𝐑𝐀 𝐒𝐓𝐑𝐄𝐍𝐆𝐓𝐇 𝐀𝐍𝐃 𝐅𝐈𝐓𝐓𝐈𝐍𝐆𝐒: These galvanized duct reducers can be used with fans, ducting, air-cooled hoods, and ventilation systems, that allowing you to lengthen and extend your ducting. This duct is crimped on the small end of the duct to fit inside the next ducting section. They are the perfect sheet metal fitting for changing duct sizes and utilized for maintaining the best airflow for maximum efficiency in your HVAC duct system.

Compressible and easy to transport

An extremely cost effective insulated duct

Provides acoustical as well as thermal insulation

✅ 𝐃𝐔𝐂𝐓 𝐑𝐄𝐃𝐔𝐂𝐄𝐑 & 𝐈𝐍𝐂𝐑𝐄𝐀𝐒𝐄𝐑: Sheet metal HVAC Duct Reducer for flexible or metal HVAC Ducts and air vents. Used to connect two air ducts of different diameters to create a seamless ventilation system duct. This is a very practical duct, all in one, solid duct which can be used when connecting two different, solid or flexible ducts or ducts to ventilators, or vice versa, from small to large, larger too small.

✅ 𝐄𝐗𝐓𝐑𝐀 𝐒𝐓𝐑𝐄𝐍𝐆𝐓𝐇 𝐀𝐍𝐃 𝐅𝐈𝐓𝐓𝐈𝐍𝐆𝐒: These galvanized duct reducers can be used with fans, ducting, air-cooled hoods, and ventilation systems, that allowing you to lengthen and extend your ducting. This duct is crimped on the small end of the duct to fit inside the next ducting section. Sturdy steel ducting is perfect for DIY and Trade use.

✅ 𝐇𝐈𝐆𝐇-𝐐𝐔𝐀𝐋𝐈𝐓𝐘 𝐌𝐄𝐓𝐀𝐋 𝐒𝐇𝐄𝐄𝐓: Our sheet metal reducers and increasers are manufactured from the highest quality of galvanized steel. Perfect for use with either flexible duct or rigid sheet metal duct. Never be restricted to your air conditioner's ducting requirements again. Once it's in position can be sealed with duct sealer.

Imperial mfg. Group USA

Can also be used with metal risers

This product is manufactured in United States

【🌿🛒High-quality performance 8 insualted duct】Made of thickened aluminum foil material and made of high-strength elastic spiral steel wire.The middle is covered with glass fiber insulation layer, which has high temperature resistance, acid and alkali resistance, and flame retardancy.

【🌿🛒Owens Corning Glass Wool Insualtion 】Glass wool Insualtion is the safest building material, with high corrosion resistance and thermal insulation,R value: R-4.2. The temperature resistance range is -4℃~454℃.

【🌿🛒Sound absorption and noise reduction insulation】 The internal structure of glass wool insulationis fluffy and the overall density is large, which can absorb the sound in time,Noise can be reduced by up to 85%.

Perfect Connector: The VIVOSUN ducting is primarily used with duct fan systems in various air circulation and ventilation projects to move and transport air, increasing airflow and easing connections between spaces; It's compatible with front-mounted and top-loading dryers/fans

Premium Material: Made of high-quality aluminum, it is resistant to high-temperature and corrosion-resistant, being able to serve for a long time; The stainless steel clamps are rustproof, corrosion-resistant, and heavy-duty, ensuring a seamless junction

Multi-Layer Protection: It features 3-layer protection, making it more durable and resistant to leaks than single-layer ones; The internal and outer layers are made of heavy-duty aluminum foil that is fire/flame-retardant; Its middle layer adopts PET thermoplastic that protects the ducting from cuts and tears, all while stopping leakage

Perfect Connector: The VIVOSUN ducting is primarily used with duct fan systems in various air circulation and ventilation projects to move and transport air, increasing airflow and easing connections between spaces; It's compatible with front-mounted and top-loading dryers/fans

Premium Material: Made of high-quality aluminum, it is resistant to high-temperature and corrosion-resistant, being able to serve for a long time; The stainless steel clamps are rustproof, corrosion-resistant, and heavy-duty, ensuring a seamless junction

Multi-Layer Protection: It features 3-layer protection, making it more durable and resistant to leaks than single-layer ones; The internal and outer layers are made of heavy-duty aluminum foil that is fire/flame-retardant; Its middle layer adopts PET thermoplastic that protects the ducting from cuts and tears, all while stopping leakage

UL LISTED

Flexible Duct

UL181 CE

DIMS:1-5/8"H X 9-1/2"W

saddle takeoff, adhesive