Universal: Suitable for all portable air conditioners and tumble dryersregardless of manufacturer. Whether for windows open to the left or windows open to the right, bottom hung windows or skylights, Seal will do the job. Fits with a maximum perimeter of 300CM. Easy To Install And Use: You 't have to buy kits, adapters for your hose or additional tools. Simply apply the adhesive tape to the inside of your frame and to the itself. Attach the seal to the tape. Then, Put the air conditioning pipe into the hole, and finally tighten the hose with a shrink rope. Simple as it is. Energy Saving: seal for portable air conditioning is made of durable nylon material for easy sashing . through the tube, pull the shrink rope and the heat stays outside. This practical airlock prevents the warm exhaust air from returning into the room. The windows can be closed easily when leaving. There is no need to disassemble. Wide Application: seal for portable ac units suitable for portable mobile air conditioners, dryers, exhaust dryers, and dehumidifiers. The airlock seal is only suitable for commonly-used tilting windows or . It is suitable for a turn- skylight product, casement , and a balcony door opens outwards. unable to use it on a Left and right sliding or door. Innovative Design: Designed with shrink , this one does a great job of reducing air circulation and preventing heat from entering in the . The zipper design will have holes and spaces cannot trap air. Ours is an can better achieve warm in winter and cool in Colour:White Material:cloth Size:4Meter Package Contents: 1x Seal Cloth 1x Adhesive Nylon Sticker Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.