76 Series Double internal opening

Product Introduction

1. The frame width is 76mm. It is a mechanical composite three-cavity structure.
2. Standard C-type slot accessories in the general market, systematic design of rubber strips, seals, hardware and other accessories, to achieve the advantages of the performance of doors and Windows products, to ensure good air tightness, water tightness.
3. Diversified design of appearance and function, novel visual effects and comprehensive upgrade of detailed design to improve product performance.
4. Multi-level drainage design, avoid water backflow, submersible outlet, prevent mosquitoes from climbing into.