The rain collar is a specialized component designed for roof vent flashing systems. it is compatible with 1-1/4", 2", 3", and 4" pipes. this collar serves as a repair solution for the elastomer sealing collar on various residential no-caulk roof vent flashings. it allows for immediate leak repair during wet conditions, providing a temporary seal until the flashing can be replaced. the design eliminates the need for messy mastic or caulking applications. the unit measures 3" in height, 4.5" in length, and 4.5" in width. this collar is intended for use on all types of residential no-caulk roof vent flashings. it provides a quick and simple method to address leaks, allowing for maintenance during wet periods. the collar is constructed to fit securely over existing vent pipes, ensuring a functional seal for the duration of its use. it is a practical accessory for hvac and ventilation maintenance, specifically for roof flashing systems that require immediate attention without the need for complex repair tools or materials.