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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Hon&Guan 3" x 8FT Insulated Duct with Aluminum Foil, Flexible Dryer Vent Hose for HVAC Ventilation and Duct Fan Systems, 2 Clamps Include

Hon&Guan 3" x 8FT Insulated Duct with Aluminum Foil, Flexible Dryer Vent Hose for HVAC Ventilation and Duct Fan Systems, 2 Clamps Include

Product ID: 439944210

Details

Brand
Hon&Guan
Color
Black
Item Length
96 Inches
Manufacturer
Hon&Guan
Material
PVC
Maximum Pressure
5 Bars

🔇50% noise reduction

🖤lightproof black PVC layer

🛡️3-layer durable construction

€ 39.34

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Silence, Strength, and Style in Every Inch

BUILT TO LAST - Triple-layer aluminum foil and steel wire helix resist rips and maintain shape.
TOTAL LIGHT BLOCKOUT - Thick black PVC layer ensures zero light leaks, perfect for sensitive setups.
PLUG PLAY FLEXIBILITY - Effortless installation slides onto any 3" duct fan or vent system.
VERSATILE HVAC ESSENTIAL - Ideal for kitchens, grow rooms, bathrooms, and more—airflow perfected everywhere.
WHISPER QUIET PERFORMANCE - Slash fan noise by up to 50% for a peaceful environment.

The Hon&Guan 3" x 8FT Insulated Duct combines advanced noise reduction technology with a durable 3-layer aluminum and PVC construction. Designed for flexible, lightproof ventilation, it fits seamlessly into HVAC, grow rooms, kitchens, and bathrooms, delivering reliable airflow while minimizing noise and light leaks. Includes 2 clamps for quick installation and supports up to 5 bars of pressure.

Specifications

ASIN	B09WCY715H
Best Sellers Rank	#714 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 (8,875)
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	PVC
Maximum Pressure	5 Bars
Nominal Wall Thickness	0.07
Outside Diameter	3.23 Inches
Unit Count	1.0 Count

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€ 39.34

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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