Self-acting closing flaps for ventilation. External wall connection when using the wall sleeve WH 100 & 120 & 150. With concealed screw holes. Sealing tape included in delivery. Accessories: Fly screen FG can be used. AP 100 B: Closing flap in brown. AP 150: With galvanized protective grille. Article: AP 120, Air direction: Ventilation, Pressure loss: 10 Pa, Installation location: Wall, Material: Plastic, weather- and UV-resistant, Color: traffic white, similar to RAL 9016, Weight: 0.17 kg, Weight with packaging: 0.175 kg, Flap type: self-acting. opening/closing, Suitable for nominal width: 125 mm, Width: 172 mm, Height: 172 mm, Depth: 53 mm, Width with packaging: 175 mm, Height with packaging: 175 mm, Depth with packaging: 54 mm, Ambient temperature: 60 °C, Suitable for box fans: no, Suitable for roof fans: no, Suitable for duct fans: no, Suitable for heat recovery systems: yes, Suitable for wall-mounted fans: no, Suitable for wall-mounted fans: no, Suitable for residential fans: yes, Suitable for centrifugal fans: no, Suitable for circulation fans: no, With installation frame: no
| Property | Value |
| Material: | Plastic |
| Front height: | 172 mm |
| Front width: | 172 mm |
| Depth: | 53 mm |
| Air direction: | outgoing |
| With installation frame: | no |
