•PERFECT OEM REPLACEMENT seals for wood frame windows, casement windows and numerous other window and door applications •PREVENT WATER DAMAGE in your home by preventing it through the easiest entry points •BETTER INSULATION by keeping your house sealed during those extreme winter and summer months •PREVENT WINDOW HOWLING that can occur with a poor seal •HIGH QUALITY TPE Material provides a soft & rubbery, yet durable material to keep your window seal in top shape for years to come •EXTREMELY FLEXIBLE PRODUCT with shape memory that works in most all kerf bulb applications •EASY KERF MOUNT INSTALLATION - Just scissor cut to needed length and push into kerf slot •LONG LASTING - Engineered to last minimum 5 to 10 years depending on climate extremes