12" x 4" Sidewall/Ceiling Register, White, 1/3 Fin Spacing

The Hart & Cooley 010821 661 Series 2-Way Sidewall/Ceiling Register provides efficient air distribution with a durable bright white enamel finish.

Designed for residential HVAC systems, this register delivers balanced two-way airflow with blades fixed at a 20° deflection. Its 1/3-inch blade spacing promotes smooth and consistent air delivery, while the bright white enamel coating ensures corrosion resistance and a clean, modern look for interior spaces.

• Model number 010821 identifies this register in the 661 Series.
• Designed for 12 x 4 inch duct openings.
• 2-way airflow design supports balanced and efficient circulation.
• Finished in bright white enamel for durability and an attractive appearance.

Technical Data & Performance

• Duct opening size: 12 x 4 inches.
• Duct width: 11-7/16 inches.
• Duct height: 3-1/2 inches.
• Overall length: 5-1/4 inches.
• Overall width: 13-1/4 inches.
• Blade spacing: 1/3 inch for smooth airflow control.
• Blade deflection: 20° fixed, engineered for efficient air distribution.
• Application: Suitable for sidewall and ceiling installations in residential HVAC systems.