PACKAGE CONTENTS: Includes one 18 x 24 in. white gable vent with screen for effective attic ventilation and improved airflow in your home exterior. DURABLE MATERIAL: Crafted from high-quality vinyl, this gable vent resists fading, cracking, and warping for long-lasting performance in all weather conditions. EASY INSTALLATION: Designed for simple mounting on exterior walls, this attic gable vent fits most standard house gable vent openings for quick setup. ENHANCED AIRFLOW: The built-in screen helps keep out pests while allowing optimal air circulation, making it ideal for roof vent and attic ventilation needs. VERSATILE DESIGN: Suitable for various home styles, this exterior attic vent complements both traditional and modern architecture for a clean, finished look. Upgrade your home's ventilation with the Alcoa Home Exteriors 18 x 24 in. rectangular gable vent, designed for efficient attic airflow and improved energy efficiency. This durable vinyl gable vent features a two-piece system that is compatible with all siding profiles, colors, and types, making installation simple—just install the base with your siding and snap on the cover later. The rectangular base allows for easier siding cuts, while the adjustable design fits siding thicknesses from 5/8 in. to 1-1/4 in. The UV-stabilized color resists fading and weathering, ensuring a long-lasting, rich textured appearance. With outside dimensions of 18 x 24 in. and a ventilated opening of 16 x 20 in., this white gable vent is ideal for exterior attic vent applications and helps maintain proper airflow in your roof and attic spaces. No batteries required. Model: RECTGV1824 PW. Pack of 1. Manufacturer: Alcoa Home Exteriors.