Portable AC Window Seal Kit 400CM/157 for Casement, Crank-Out & Skylight Windows, No-Drill Window Vent Kit with Adjustable Zipper, Fits Single & Dual Hose Portable Air Conditioners

Product details

Product Details

  • ✅【Designed for Casement, Crank-Out & Skylight Windows】This portable AC window seal kit is designed for casement, crank-out, push-out and skylight windows where standard sliding window panels may not fit. It fits window perimeters up to 400CM / 157" and offers a practical window vent solution for non-sliding window types.
  • 🌟【Fits Single & Dual Hose Portable Air Conditioners】The adjustable zipper opening works with single and dual hose portable air conditioners, making it easier to position the exhaust hose at different heights. A flexible portable AC window vent kit for a cleaner setup than rigid window panels with fixed hose ports.
  • ❄️【Helps Reduce Hot Air Backflow for Better Cooling】By sealing the open window area around the exhaust hose, this portable air conditioner window seal helps reduce warm outdoor air from flowing back inside. It supports more efficient cooling and helps keep your room more comfortable during hot weather.
  • 🔨【No-Drill Installation for Apartments & Seasonal Use】Install this AC window seal kit without drilling or special tools. Simply clean and dry the window frame, apply the hook tape, attach the seal, place the hose through the zipper opening, and tighten around it. A convenient choice for apartments, renters, bedrooms and home offices.
  • 🌝【Measure Before Ordering for the Best Fit】This 400CM / 157" window seal is best suited for clean, smooth window frames and seasonal portable AC use. Please measure your window before ordering to ensure the correct fit. A more adjustable alternative to cardboard or tape DIY setups for casement and crank windows.

Product description

  • Does this fit all types of windows?

    Yes, this seal kit is compatible with most window types, including casement, crank, push-out, and sliding windows. Please make sure the perimeter of your window is less than 400 cm (157 inches) for a proper fit.

  • Does it effectively block hot air and rain?

    Yes, the seal effectively blocks hot air from entering and prevents rainwater from getting in. The special TU fabric is waterproof and provides a tight seal around the exhaust hose, ensuring your room stays cool and dry.

  • Is it compatible with dual-hose portable AC units?

    Yes, this seal kit is compatible with both single and dual-hose portable air conditioners. It features a universal coupler and multiple zipper settings to fit a variety of hose sizes.

  • How easy is it to install and remove?

    The installation is simple and does not require any tools. You just need to apply the adhesive Velcro strips to the window frame, attach the seal cover, and zip it around the exhaust hose. For removal, simply unzip and detach the Velcro strips.

  • Will the adhesive leave residue when removed?

    No, the adhesive is designed to be removable without leaving any residue behind. It won’t damage your window or frame, so you can clean the area after removal.


Size 157 inch


8.66 inches x 12.24 inches x 2.05 inches. Weight: 11.3 oz
Portable AC Window Seal Kit 400CM/157 for Casement, Crank-Out & Skylight Windows, No-Drill Window Vent Kit with Adjustable Zipper, Fits Single & Dual Hose Portable Air Conditioners
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Shipping details

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Delivery & Return Policy details

Delivery & Return Policy Details

We offer a 30-Day Return Policy on items in which you are not completely satisfied with. You have the option of a full-refund or an exchange of the item. No returns are available on items shipped outside of the USA.