Air Conditioner Cover Universal 36x36 Return Air Vents Standard linear slot diffusers have

Standard linear slot diffusers have a taller neck that requires more depth inside the duct cavity

The steel body stands up to bumps from furniture

S Duct Opening Size 10" × 4" Neck Depth (Slim Series) 1-1/4" from face surface Product Dimensions 12 x 6 x 2 inches Item Weight 14

When set to fully open

but screws are not included and openings are not pre-drilled

Air Conditioner Cover Universal 36x36 Return Air Vents Standard linear slot diffusers haveKEEPS DEBRIS OUT Fine mesh design prevents leaves, pine needles, and other debris from clogging your AC unit, ensuring smooth operation all year round. DURABLE CONSTRUCTION Made from high quality, weather resistant materials, this cover withstands harsh conditions, providing long lasting protection for your AC unit. EASY TO INSTALL Quick and simple to set up with secure bungee cords, allowing you to protect your AC unit in just a minute. MAINTAINS