【Sealing performance】The Storm door expander sweep is used on the inside of the door to prevent rainwater, snow, and leaves from entering the room, excluding sealants/adhesives. 【Compatibility】The storm door sweeps is compatible with the Larson&Pella storm door extender, and the storm door rubber sweeps is suitable for most storm doors, metal doors, and vinyl doors. 【High quality】Replacing the bottom sealing strip of the Larsen storm door is made of high-quality rubber material, which is firmly sealed, wear-resistant, and not easy to tear or warp, helping to prevent air infiltration. 【Adjustable design】Replacing the Larsen door extender can cut the storm door cleaner to the appropriate length according to your needs. Before cutting, install it at the bottom of the shroud for more accurate length. 【Kind reminder】The Storm Gate Extender includes 2 interchangeable door sweeps to accommodate 2 different styles of storm gates. In cold weather, we recommend using a hair dryer to heat the storm door cleaner for 2 minutes before installation. 【Storm Door Sweep】 The bottom of the storm door sealing strip is compatible with the Larson&Pella storm door extension line and is suitable for most storm doors, metal doors, and vinyl doors. 【Specifications and Materials】 The storm door cleaner includes two replaceable door cleaners of the same size Inner diameter: 39.6 inche, 0.66 inche * 0.32 inche The bottom sealing strip of the storm door is made of high-quality rubber material, which is firmly sealed, wear-resistant, and not easily broken or deformed, better meeting the requirements of preventing air infiltration. 【 Main functions and advantages 】 The storm door expansion cleaner is used on the inside of the door to prevent rainwater, snow, and leaves from entering the room, and to easily breathe fresh air while keeping away from insects. Our storm door cleaner installation method is simple and easy to understand. Before installation, in order to cut the appropriate length more accurately, the storm door cleaner can be placed at the bottom of the guide cover for cutting, and the excess part can be cut off for future use. 【 Kind reminder 】 In cold weather, please use a hair dryer to heat the bottom sealing strip of the door for two minutes before installation.