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 Inch Diesel Heater Hose, 8 ft for Air Outlets and Boat Blowers

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 construction

R1782

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Description

🖤 Silence, Strength & Style — The Ultimate Vent Upgrade You Can't Miss!

BUILT TO LAST - Triple-layer aluminum and PET design resists rips, pinholes, and maintains shape.
LIGHTPROOF LEAKPROOF - Thick black PVC layer blocks light leaks, perfect for sensitive environments.
PLUG PLAY FLEXIBILITY - Easily slides onto ducts, fans, and filters for hassle-free installation.
VERSATILE HVAC POWERHOUSE - Ideal for kitchens, grow rooms, bathrooms, and more with temperature resistance from -30℃ to 150℃.
WHISPER QUIET PERFORMANCE - Cut fan noise by up to 50% for a peaceful workspace or home.

The Hon&Guan 3" x 8FT Flexible Dryer Vent Hose combines advanced 3-layer aluminum and PVC construction with noise reduction technology to deliver a durable, lightproof, and flexible ventilation solution. Designed for HVAC systems, it supports a wide temperature range and includes clamps for secure installation, making it the top choice for professionals seeking reliable airflow management.

Specifications

ASIN	B09WCY715H
Best Sellers Rank	#771 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 (9,201)
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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Received my product in pristine condition. Great service overall.

1 month ago

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R1782

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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