



Measuring & Options
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Hose Sizes
To determine your hose size, measure the outside diameter of your hose.
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Hose Types
What hose you are using will determine what hose adapter is included in with your insert. There are two main hose types: dryer ducting hoses, and more rigid pvc style hoses (used for portable air conditioners).
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Vent Types
Every window insert comes with our standard vent which allows for easy hookup but does not offer protection from the outside elements. Our premium vent offers premium protection from the outside elements by featuring self closing louvers and a bug screen to keep out the critters.
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Hole Placement
To maintain structural integrity, vent holes are placed at least 2” from each edge.
Measuring and Installation
Recent Customer Testimonials
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Janelle T.
I love how classy it makes it look. Better than a piece of wood that molds over time.
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Kevin M.
There is NO smell now, even with both lasers running, didn’t think I’d ever be able to say that.
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Cynthia F.
We received the inserts and wanted to let you know that everything from their construction to the packaging was absolutely flawless!

Made with Care
Martinson Manufacturing is a home-based family business in West Bend, Wisconsin whose mission is to create meticulous exhaust venting solutions to eliminate headaches and simplify people's lives.