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HIGH-QUALITY ROOF HATCH
1. 1mm aluminum sheet frame and lid
2. Outdoor powder coating color available
3. XPS extruded polystyrene insulation board inside
4. Weather-tight design
5. 3 points lock easily open and close
6. Gap spring piston for lid opening and closing
7. Stainless steel nuts and bolts rust-proof
8. Package: each set has one box, and foam surrounds the hatch.
9. Custom size available
Advantage
Rustproof, durable high quality