Will the openings stretch overtop of a connector?

The diameter of the spring coil is 3 in, and the PVC and foil liner is a little bit inside of this. I was able to stretch the liner and get the connector inside, but it might be worth going with the next size up.

Is this UL approved for dryer venting?

No. I wouldn’t use this. Higher temperature applications require a different flex usually all aluminum for dryer venting because of the moisture levels being exhausted.

What is the inner diameter ? will this fit to 3" pvc ? i am trying to use it for the intake and outtake of tankless water heater

Inner diameter is 75mm, fit to 3"

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3" x 8FT Flexible Dryer Vent Hose with Aluminum Foil for HVAC Ventilation and Duct Fan Systems, Black, 2 Clamps Included

Product ID: 439944210

Details

Brand
Hon&Guan
Color
Black
Item Length
96 inches
Manufacturer
Hon&Guan
Material
Polyvinyl
Maximum Pressure
5 bar

🔇50% noise reduction

🖤lightproof black PVC layer

🛡️3-layer durable insulation

€ 48.33

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Description

🖤 Upgrade your airflow game with silent, durable, and lightproof ducting!

BUILT TO LAST - Triple-layer aluminum foil and steel wire helix resist rips and pinholes
WHISPER QUIET VENTING - Cut fan noise by up to 50% for a peaceful environment
LIGHTPROOF LEAKPROOF - Thick black PVC blocks unwanted light and prevents leaks
EFFORTLESS INSTALLATION - Flexible design slides on easily, fitting most 3" HVAC systems
VERSATILE AIRFLOW SOLUTION - Perfect for HVAC, grow rooms, kitchens, bathrooms, and more

The Hon&Guan 3" x 8FT Insulated Duct features a triple-layer construction with aluminum foil, PET, and steel wire helix for unmatched durability and shape retention. Its thick black PVC coating ensures lightproof operation, while the design reduces fan noise by up to 50%. Easy to install and compatible with various HVAC and ventilation systems, it includes 2 clamps for secure fitting, making it a top-rated choice for efficient, quiet, and reliable air ducting.

Specifications

ASIN	B09WCY715H
Best Sellers Rank	#738 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in HVAC Ducting
Brand Name	Hon&Guan
Color	Black
Customer Reviews	4.3 4.3 out of 5 stars (9,158)
Included Components	2PCS Clamps, 3*8FT Duct Hose
Item Dimensions L x W	96"L x 3"W
Item Length	96 inches
Item Type Name	Duct Hose
Manufacturer	Hon&Guan
Material Type	Polyvinyl Chloride (PVC)
Maximum Pressure	5 bar
Nominal Wall Thickness	0.07
Outside Diameter	3.23 inches
Unit Count	1 Count

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€ 48.33

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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