Can this be used indoors?

We would not recommend this for use indoors. Instead we would suggest the 3M Indoor Insulator Film Mounting Tape.

Why would you choose the exterior version over the interior version? Trying to choose between the two.

The name pretty much sums it up. You'd choose the exterior version for exterior use...

What is the difference between the outdoor and indoor ones?

The adhesive tape is designed to be weatherproof.

I am getting the patio door size. How thick is the plastic? Is it 4Mil or 5Mil

The plastic is .75 mil in thickness. It is stated on the box.

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❄️ Stay warm, save smart — winter-proof your windows with 3M!

TAILORED FIT FOR YOUR WINDOWS - Fits two standard 3'x5' outdoor windows, perfect for modern homes.
SEAL IN WARMTH SEAL OUT CHILL - Advanced heat shrink film locks out cold drafts for a cozy home vibe.
CRYSTAL CLEAR VIEW NO FROST FOG - Exceptional clarity film prevents frost and keeps your outlook pristine.
EFFORTLESS ALL SEASON PROTECTION - Quick, no-fuss installation with double-sided Scotch tape—stay warm without the hassle.
CUT YOUR HEATING BILLS NOT COMFORT - Energy-efficient design reduces heating costs and condensation buildup.

The 3M Outdoor Window Insulator Kit features clear heat shrink film and double-sided Scotch mounting tape to block cold drafts, reduce condensation, and prevent frost buildup on two 3'x5' outdoor windows. Designed for quick installation above 50°F, it helps lower heating costs while maintaining crystal-clear views, making it an energy-efficient, hassle-free solution for winterizing your home.

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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.

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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.

RM320

Duties & taxes incl.

Malaysiastore

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Global Trade Identification Number	00051141323848
Manufacturer	3M CHIMD
UPC	051141323848
Department	Unisex-Adult
Country of Origin	USA
Item model number	2170 W-6
Product Dimensions	213.36 x 157.28 x 0.25 cm; 128.82 g
ASIN	B0045ZT17Y

3M Outdoor Window Insulator Kit, 2-Window

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