Adjustable side panels included to create a precise airtight seal that reduces drafts and improves energy efficiency for yearround comfort. The adjustable design accommodates a range of opening widths for versatile installation. Allergen barrier technology with advanced insulation blocks dust and airborne particles, delivering a cleaner indoor atmosphere with minimal noise disruption. Easy installation with preinstalled panels for tool setup; you can install in minutes and upgrade your space quickly. Climate protection solution: retains warmth in cold months and reduces heat gain in summer, helping maintain stable indoor temperatures and potential energy savings. Use cases Living room retrofit to cut drafts, lower heating and cooling costs, and quiet the space. Home office or bedroom for a stable temperature and improved air quality. Temporary apartment upgrade with fast, mess installation and minimal disruption. Key attributes Durable panels designed for longterm use. Adjustable sizing to fit a range of openings. Focus on sealing, air quality improvement, and energy efficiency.