4''  Aluminum Flexible Air Foil Ducting Expendable Duct Panel

This lightweight 4" insulating air duct is manufactured with a helically shaped internal crimped galvanized steel strip. The strip locks together with the aluminum foil in order to form an air tight and leak proof lock system. It ensures excellent strength, making it perfect as a flexible solution for a broad range of venting requirements from low or high pressure heating, as well as for ventilation to air conditioning application. 

Features

2. High performances & static pressure 

3. Quite operation 

4. Extended collar and lip for easy duct hook-up 

5. Pre-mounted leg stands for horizontal/vertical mounting or on floor using 

6. CE certificated

7. Available size: 4’’, 5’’, 6’’, 8’’, 10’’, 12’’

Parameters:

• We product & ship fast! 

• We're here when you need us!  Email us any time.

• Your order is packaged by experts! 

• Low overhead means low prices! 

• Our feedback and sales record speaks for itself!

 

• Payment terms: We accepted TT or 100% L/C AT SIGHT.

• ALL products are best in quality and good in quality.

• Your order is packaged by experts!

• Please feel free to email us if you have any inquiries.

We are a TITANIUM powerful manufacture of grow box and other hydroponic products. We supply our best quality products to trade customers in North American and Europe.

Our aim is to supply good quality products at a reasonable price. Our range of grow box is the best seller in our product line and we have been more than satisfied with the reliability and returns rate of these grow boxes.

If you ever need help with anything, feel free to email us and we’ll be happy to answer any questions you might have!

Can I receive a discount on a bulk purchase?

 Response: Our prices for bulk orders are highly competitive because we are the key supplier. All you need is to inform us the product name and quantity (must be more than our MOQ). We will offer you our best price ASAP.

How long does it take for an OUT OF STOCK item to be back on offer?

 Response: The wait time usually varies from item to item and depends on the manufacturing speed, among other factors. Although there is no guarantee on the exact time when an item will be available again, we do give an estimated time within which it will be restocked. Moreover, we offer most OUT OF STOCK items at limited special prices for pre order customers.

Where is additional information on a product available on your site?

 Response: We make an additional effort to include extensive information on each product on our listings because the items cannot be physically viewed by you before you place an order. If you are not satisfied with the information provided on any product on its page and want to find out more, simply send us an email. We will be happy to answer all your queries at the earliest.