K-WINDOW Terrace Door / French Door (Single Leaf / Double Leaf Door)
It is a high insulation and high airtight door.
- This is a second door (service door, balcony door) with excellent thermal insulation and airtightness. - Double-opening doors can also be manufactured, making them effectively usable as a connection between indoors and outdoors. - It can be utilized for various purposes, both as the main door of a house (balcony door) and for living flow (service door).
- 企業：栗原 K-WINDOW営業部
- 価格：100,000 yen-500,000 yen
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