Is this duct insulated and applicable as a return air duct?

Hello, The standard Rubber-Cal Air Ventilators are not insulated but we offer an insulated version. It has an R value of 4. You may find the insulated version by searching for the product identifier "B00N2AXQXI".

What is the temperature rating for this item? Can it be used with a indirect fired propane heater?

I don't know the temperature rating, but can tell you from experience it CANNOT be used with an indirect fired propane heater.

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Rubber-Cal "Air Ventilator Yellow" Ventilation Duct Hose (Fully Stretched), 12-Inch by 25-Feet

Product ID: 13780306

Details

Brand
Rubber-Cal
Material
Rubber
Color
845605000000
Product Dimensions
300"L x 12"W
Item Weight
13 Pounds
Nominal Wall Thickness
0.02

🌀25-foot length with 3-foot retractability

📏12-inch diameter for versatile fit

🛡️External wear strip for abrasion resistance

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EC$1226

Duties & taxes included

In stock

Sold byAmazon Antigua and BarbudaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌀 Flexibility Meets Durability — The Duct Hose That Works as Hard as You Do!

BUILT TO LAST - Reinforced spring steel helix and wear strip ensure durability in industrial and residential settings.
SAFETY IN SIGHT - Bright yellow color enhances visibility for safer, easier inspection and compliance.
TOOL FREE SETUP - Belted cuffs on each end enable quick, clamp-free installation—get up and running fast.
COMPACT POWERHOUSE - Retracts from 25 feet to just 3 feet for ultimate portability and storage convenience.
TEMPERATURE WARRIOR - Operates reliably from -20°F to +180°F, perfect for diverse HVAC and ventilation needs.

The Rubber-Cal Air Ventilator Yellow is a 12-inch diameter, 25-foot long flexible ventilation duct hose designed for both industrial and residential air movement applications. Lightweight yet tough, it features a spring steel helix for shape retention, an abrasion-resistant wear strip, and a bright yellow color for high visibility. Its retractable design compresses down to 3 feet for easy transport and storage, while belted cuffs allow quick installation without clamps. Rated for temperatures from -20°F to +180°F, it’s the versatile, durable solution for HVAC, dehumidification, smoke, and hot air ventilation.

Specifications

Brand	Rubber-Cal
Material	Rubber
Color	845605000000
Product Dimensions	300"L x 12"W
Item Weight	13 Pounds
Nominal Wall Thickness	0.02
Outside Diameter	12.02 Inches
Item Length	300 Inches
UPC	845605058304
Manufacturer	Rubber-Cal
Global Trade Identification Number	00845605058304
Part Number	23-184-12-25
Item Weight	13 pounds
Item model number	23-184-12-25
Is Discontinued By Manufacturer	No
Size	12-Inch by 25-Feet
Shape	Circular
Item Package Quantity	1
Included Components	Air Ventilator
Batteries Included?	No
Batteries Required?	No

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