Hushee 2 Pack Portable Air Conditioner Window Seal Kit 300 cm Ac Window Vent Seal for Ac Unit & Dryer, Double Zipper Universal Kit with Cable Ties & Hook Loop Tape Waterproof No Drilling

["Upgraded Double-pack Value Set: this value set includes 2 complete portable air conditioner window sealing kits, ideal for use with multiple windows or as a backup; Each kit comes with 2 cable ties and 1 roll of hook and loop fastener for a more secure and convenient installation experience, easily securing the sealing cloth and preventing it from loosening; The economical double-pack design allows you to create a cool and comfortable summer environment for the whole family with less investment","Effective Insulation: our portable air conditioner window seals avoid hot air from flowing back into the room, allowing for rapid cooling, improved air conditioning performance, and reduced energy consumption while blocking rain, dust, and insects; It helps improve the efficiency of portable air conditioners, cools rooms faster, and reduces energy waste","Double Zipper Design for a Better Seal: this air conditioner window seal features a smooth double zipper design that tightly wraps around the exhaust hose, creating a stronger seal than a single zipper design; It improves airflow efficiency and effectively blocks hot outdoor air; The flexible zipper system allows you to place the air conditioner hose at any height, solving the common misalignment problem between the air conditioner and the window","Universal 3-meter Adjustable Size: each window seal is 3 meters (118 inches) long; Suitable for most casement windows, outward-opening windows, skylights, and top-hung windows, but not for sliding windows, vertical sliding windows, or rotary windows; The adjustable design makes it compatible with most portable air conditioner exhaust hoses","Easy Installation – No Drilling Required: installation can be completed in minutes without tools or drilling; Simply apply strong adhesive tape, secure the window sealant, and then secure the exhaust hose with zippers and cable ties; Durable waterproof fabric ensures long-lasting performance throughout the summer"]