Fancat Return Air Filter Grille for 14x20 Duct Opening, Steel Return Air Grille with Removable Door for 1-Inch Filters, HVAC Vent Cover Grill for Sidewall/Ceiling, Outer Dimensions: 16 5/8"Wx22 5/8"H Meloght just need to One full

just need to One full charge can be used for 5-7 days

✅Solar-Powered & Auto On/Off – Equipped with a high-efficiency solar panel

and even long hours of office work

eco-friendly and extending the battery life

Featuring a 30"x 14"x 11

Fancat Return Air Filter Grille for 14x20 Duct Opening, Steel Return Air Grille with Removable Door for 1-Inch Filters, HVAC Vent Cover Grill for Sidewall/Ceiling, Outer Dimensions: 16 5/8"Wx22 5/8"H Meloght just need to One fullConvenient Removable Design: This return air filter grille features a clever removable structure, allowing users to easily open the latch with a finger move and take out the filter(not included) for cleaning or replacement without the need for any tools, making maintenance quick and hassle free Durable Material and Construction: This return air grill is made from high quality solid stamped steel materials, so there is no sharp edges, it boasts