What is the ID of this insulation? I can’t tell if it fits 3/8 copper.

The ID of this insulation is 1-1/8". It is designed to fit a copper tube with an ID of 1" and an OD of 1-1/8". If you are looking for material to fit 3/8" ID copper, the best fit will be APT01238. If you are looking for material to fit 3/8" OD copper, the best fit will be APT03838. If you would like more information, fee free to contact Armacell Customer Service at 919-304-8686. Thank you for considering Armacell products!

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Armaflex APT11838 1-1/8" x 3/8" Pipe Insulation - 210 Lineal Feet/Carton, Rubber

Armaflex APT11838 1-1/8" x 3/8" Pipe Insulation - 210 Lineal Feet/Carton, Rubber

Product ID: 96656261

Details

Brand
Armaflex
Global Trade Identification Number
Material
Rubber
Product Dimensions
72"L x 3"W
Recommended Uses For Product
Thermal

🧊Closed-cell foam freezes protection

♻️Eco-friendly, no harmful chemicals

🛠️Flexible rubber for easy install

Description

🧊 Wrap your pipes in smart, green protection — because freezing is so last season!

ECO CONSCIOUS COMFORT - Made without CFCs, HFCs, PBDEs, or formaldehyde, certified for safe indoor air quality in homes and schools.
FLEXIBLE INSTALLATION - Rubber construction bends and fits snugly around copper and iron pipes for hassle-free application.
FREEZE PROOF YOUR PIPES - Closed-cell foam insulation locks out cold and condensation to prevent freezing and costly repairs.
ENERGY SAVINGS GUARANTEED - Keeps hot and cold plumbing efficient, reducing energy waste and lowering utility bills.
BUILT IN ANTIMICROBIAL DEFENSE - EPA-registered antimicrobial protection inhibits mold and mildew growth for healthier environments.

Armaflex APT11838 is a 1-1/8" x 3/8" rubber pipe insulation designed to protect copper and iron pipes from freezing and condensation. Featuring closed-cell foam for superior thermal resistance, it is eco-certified and free from harmful chemicals, with flexible rubber for easy installation and EPA-registered antimicrobial protection to prevent mold growth. Ideal for energy-efficient plumbing in homes and schools.

Specifications

ASIN	B00FELOMD6
Best Sellers Rank	#2,340,299 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,195 in Pipe Insulation
Brand Name	Armaflex
Coverage	210 feet per carton
Customer Reviews	3.2 3.2 out of 5 stars (4)
Global Trade Identification Number	00803014111966
Included Components	Pipe Insulation
Item Dimensions L x W	72"L x 3"W
Manufacturer	Armacell
Manufacturer Part Number	APT11838
Material Type	Rubber
Model Number	APT11838
Number of Items	1
Recommended Uses For Product	Thermal Insulation
UPC	803014111966
Unit Count	1 Count

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