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420D High-Density Portable AC Window Seal Kit Stepless Adjustable up to 40" 100% Blackout & Claw-Proof Pet Friendly Fabric, Silver Coated Heat Reflection Shield for Sliding Doors & Windows

$15.99 USD

~~$35.99 USD~~ $15.99 USD

Sale Sold out

Shipping calculated at checkout.

size 1L-Max 40"for hung window(Height Adjustment) 1L-Max 70"for sliding window(Height Adjustment) 1L-Max 98"for sliding door(Height Adjustment) 3L-Max 40"for hung window(Height Adjustment) 3L-Max 70" for sliding window(Height Adjustment) 3L-Max 98"for sliding door(Height Adjustment)

Product description

The 100% Blackout Sanctuary air conditioner window seal

portable air conditioner sliding door kit

Standard AC seals leak light and heat. Our 420D silver-coated fabric has passed the flashlight test—blocking 100% of external light. Transform your bedroom into a dark, chilled oasis, ideal for shift workers, nurseries, and sensitive sleepers who need a perfect environment in broad daylight.

Claw-Proof & Tear-Resistant.

Tough Enough for Pets, Cool Enough for You.

Made from industrial-strength 420D high-density Oxford fabric, this seal is built to survive. While aluminum foils can be easily torn by curious cats, our claw-proof material remains intact. It’s the ultimate durable solution for pet owners who refuse to compromise on cooling efficiency.

Universal Compatibility for Every Major Brand.

Fit for Midea and LG to Hisense and Black+Decker etc, our Universal AC Vent Kit masters them all. The extra-long 250cm reach makes it the premier choice for large patio doors, while the flexible fabric ensures it’s the most portable and easy-to-store AC accessory for renters and homeowners alike.

Total Darkness. Undisturbed Sleep.

Perfect for night-shift workers, nurseries, and sensitive sleepers. Our material blocks 100% of intrusive light and glare. Combined with our Integrated Drawstring Sleeve, which creates an airtight grip on any 5" to 6" exhaust hose, you get a laboratory-grade seal that keeps outdoor dust, noise, and humidity exactly where they belong—outside.

Elite 420D Oxford: The Toughest Seal Ever Built.

Crafted for performance and built for life. Our 420D High-Density Oxford fabric is industrial-grade. It’s 100% Blackout (Flashlight Tested!) and effectively reflects heat with a premium Silver-Ion coating. This isn't just about cooling solution that survives curious cats and intense UV exposure summer after summer.

High-Tech Reflection or Sleek Modern Look.

Our reversible design offers the best of both worlds. Use the reflective silver side facing out to bounce back intense sunlight and heat. Or, flip it to the sophisticated Grey Oxford side to match your home’s interior decor while maintaining a clean building facade.

Reclaim Your Cool: The 2026 Evolution of AC Sealing.

Why settle for thin, flimsy fabric that leaks heat and light? Stop fighting a losing battle against the summer sun. Our Pro-Grade Window Seal Kits are engineered to transform your sliding doors and windows into an impenetrable thermal barrier. Keep the chill in, the heat out, and your energy bills down.