Enhance your home's energy efficiency with the Kerf Window Bulb Weatherseal. This 1/4" diameter flexible vinyl insert is designed to seal gaps around windows, effectively preventing air and water infiltration.

Key features include:

- Durable and flexible, resists wear, cracking, and shrinking
- Ideal for long-term insulation against drafts, moisture, dust, and insects
- Easy push-in installation, perfect for DIY enthusiasts
- Compatible with vinyl, wood, and aluminum window frames

Upgrade your window insulation today for year-round comfort and energy savings. Note: This product is non-refundable due to cutting to size.