4 Pcs 12x4 Inch Ceiling Vent Register for Home, White 3 Way Sidewall Solid Steel Wall Air Vent Registers AC Ceiling Vent Return Covers, Interior Size 12 x 4 Inch AdirPro please see 3M Heavy Duty

please see 3M Heavy Duty Duct Tape DT11

The USB-C port on the side can reach up to 100W

Flow rate: 4

M2 Washers - 37 Pcs

specially treated for durability

4 Pcs 12x4 Inch Ceiling Vent Register for Home, White 3 Way Sidewall Solid Steel Wall Air Vent Registers AC Ceiling Vent Return Covers, Interior Size 12 x 4 Inch AdirPro please see 3M Heavy DutyAIR VENT SIZE: Package contains 4 PCS ceiling vent covers, meeting various home and office ventilation needs. If your duct opening is 3. 8 to 4. 25 inches wide and 11. 75 to 12. 25 inches long, our 4x12 inch register vent is ideal. It fits snugly, optimizing ventilation and keeping air flowing smoothly. ADJUSTABLE AIRFLOW: Our 3 way ceiling vent covers with an adjustable airflow feature work for both ceiling and wall setups. Easily adjust the air