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GAF Master Flow 5 in. Storm Collar - 12SMC50 - Pack of 6

The Master Flow 5 in. Storm Collar is designed for 5 in. round ducts. This 30 gauge storm collar is made of zinc-coated galvanized steel. The maximum temperature rating is up to 390 degrees Fahrenheit and the minimum temperature is as low as -100 degrees Fahrenheit.

  • Made of zinc-coated galvanized steel
  • Designed for 5 in. round ducts
  • Can be used with an internally lined or unlined plenum
  • Features a minimum temperature rating of -100 degrees Fahrenheit and a maximum temperature rating of 390 degrees Fahrenheit



Refund Policy:

Enjoy peace of mind with Big Blue Products' 30-day refund policy. Contact us within 30 days of purchase for returns or exchanges under the following conditions:

  • In case of receiving the wrong item or a defective product (excluding man-made damage), please provide a photo as proof. Upon confirmation, we will either accept the return or provide a replacement.
  • If the item is in good condition and matches the description, the buyer is responsible for return shipping costs.

Contact Us:

We can be contacted at any time through eBay messages if you have any questions, comments, or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We'd like to be sure you are completely satisfied with your purchase.

Big Blue Products, inc 130 Eileen Way Syosset, NY 11791 United States