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Heat-resistant inspection cover for angular air duct systems: Sturdy moulded covers and ergonomic twist handles with no protruding screws even when closed.
| Neckline size | 400x300mm |
| DIN | Airtightness class D according to DIN EN 1507 |
| Height | Installation height 56 mm |
| Material | Galvanised |
| Material name | Galvanised steel |
| Maximum pressure | ± 2.500Pa |
| Product specification | Inspection cover type RD galvanised with PE seal: cut-out 400x300mm |
| Temperature resistance | -70° C to +80° C |
| Variant | Cut-out 400 x 300 mm |