Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

4 Inch Insulated Flexible Duct,HVAC Insulation Duct,25 Feet Insulated Duct, 4 in Insulated Duct Hose, R4.2 Air Flexible Duct Aluminum Hose 4''25' Long,for HVAC Flex Ductowrk

4 Inch Insulated Flexible Duct,HVAC Insulation Duct,25 Feet Insulated Duct, 4 in Insulated Duct Hose, R4.2 Air Flexible Duct Aluminum Hose 4''25' Long,for HVAC Flex Ductowrk

Product ID: 449021282

Details

Brand
Cuchiilo
Item Thickness
10.2
Manufacturer
Cuchiilo
Material
Rubber
Product Dimensions
300"L x 4"W

🌀4-inch diameter for versatile HVAC fit

🔇Up to 85% noise reduction with glass wool core

🔥R-4.2 insulation rating for superior thermal resistance

₱21652

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered 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 Philippines.

Secure transaction

Description

🛠️ Upgrade your airflow game with the duct that bends, blocks heat, and hushes noise!

FLEXIBLE 4 INCH DESIGN - Bend it your way—no rigid elbows needed, maintaining airflow and reducing wind resistance.
PREMIUM R 4 2 INSULATION - Owens Corning glass wool core delivers top-tier thermal protection from -4℃ to 454℃.
NOISE REDUCING TECHNOLOGY - Fluffy, dense insulation cuts noise by up to 85%, creating a quieter environment.
MULTI SYSTEM COMPATIBILITY - Perfect for central HVAC, fresh air ventilation, and mechanical recovery systems without corrosive gases.
DURABLE ALUMINUM CONSTRUCTION - Thickened foil and high-strength spiral steel wire ensure long-lasting, flame-retardant performance.

The Cuchiilo 4 Inch Insulated Flexible Duct is a 25-foot HVAC duct featuring a durable aluminum foil exterior reinforced with elastic spiral steel wire and a high-performance Owens Corning glass wool insulation core rated R-4.2. It offers excellent thermal resistance (-4℃ to 454℃), reduces noise by up to 85%, and maintains airflow efficiency with its flexible, self-supporting design—ideal for a variety of ventilation systems.

Specifications

ASIN	B09Y1JV2SV
Best Sellers Rank	#28,888 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in HVAC Ducting
Brand Name	Cuchiilo
Coverage	10.47 square feet, R-4.2
Customer Reviews	4.4 4.4 out of 5 stars (332)
Item Dimensions L x W	300"L x 4"W
Item Thickness	10.2 centimeters
Manufacturer	Cuchiilo
Material Type	Rubber
Unit Count	1 Count

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

₱21652

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered 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 Philippines.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews