Designer Series Screen Rollers for Sliding Patio Doors. Comes with a pack of 2 and instructions The Pella Screen Roller is a genuine OEM replacement part designed specifically for sliding patio doors. Made by the trusted brand Pella, this set of two white rollers is suitable for the impervia Thermastar model. These rollers ensure smooth operation and secure closure for your patio door, providing a reliable solution for maintaining the functionality of your home's outdoor space.
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