PATIKIL Square Air Vent Cover 12 x 12 inch, 4 Inch Dia., Air Return Grille Sidewall or Ceiling Air Diffuser with Square-to-Round Adapter for Bathroom Kitchen Ventilation — Open-Box, 40% Off

Size: Overall size: 30 x 30cm / 12 x 12 inch(W*L); Screw hole distance: 27.5cm / 10.8 inch; Square-to-Round Transition Diameter:10cm / 3.93 inch; Height: 9.2cm / 3.62 inch. Package includes:1 x square air vent cover with a square-to-round transition. Advantage: The plastic square air diffuser is made of ABS plastic, which offers the advantages of oxidation and corrosion resistance.Equipped with a square-to-round Adapter, it is suitable for both square and round duct systems, making it easy to install in various types of HVAC systems. Application: Square air vent cover can be installed in ceilings, walls or ducts and is widely used in living rooms, bedrooms, kitchens, or bathrooms, as well as office environments or factories, helping to regulate airflow. Instruction: Please select an appropriate position on the ceiling, wall, or pipe, ensuring that the surface is clean and pre-drilled for screws. Firmly install the vent cover, checking that it is level and flush with the surface after installation. NOTE: Before purchasing, ensure the size of the hole on the wall and ceiling or your duct matches our air vent. Regularly inspect and clean the air vent to maintain optimal performance. The Square Air Vent Cover is designed for use in air supply and return, exhaust ventilation system.In addition, it can enhance the aesthetic of indoor and outdoor walls or ceilings. Widely used in home, office and factory.

Specification
Material: ABS Plastic
Color: White
Overall size: 30 x 30cm / 12 x 12 inch(W*L)
Screw hole distance: 27.5cm / 10.8 inch
Square-to-Round Transition Diameter:10cm / 3.93 inch，fit for 4inch flexible vent hose.
Height: 9.2cm / 3.62 inch
Package includes:1 x square air vent cover with a square-to-round transition.
Advantage
The plastic square air diffuser is made of ABS plastic, which offers the advantages of oxidation and corrosion resistance.Equipped with a square-to-round transition, it is suitable for both square and round duct systems, making it easy to install in various types of HVAC systems.

Instruction
Please select an appropriate position on the ceiling, wall, or pipe, ensuring that the surface is clean and pre-drilled for screws. Firmly install the vent cover, checking that it is level and flush with the surface after installation.

NOTE: Before purchasing, ensure the size of the hole on the wall and ceiling or your duct matches our air vent. Regularly inspect and clean the air vent to maintain optimal performance.