Lennox Y9373 H2 043519 RETURN AIR FLTR GR 20X20 WHT

A Lennox Y9373 Return Air Filter Grille captures airborne debris and streamlines airflow, maintaining cleaner returns and steady circulation across the system.

• Real OEM return air filters fit precisely and seal tightly, reducing bypass and pressure drop to boost airflow efficiency and cut energy waste
• Product Type: Return air filter grille
• Size: 20x20
• Color: White
• Style: Removable Face; Accepts 1" Filter; 1/2" Blade Spacing Set at 40 Deg