Round shape air flow control damper [pcs] | 500φ 500φ 10国土交通省北海道開発局営繕部 Stock Status: In Stock Delivery Status: 1-3 days ¥38,000 Excluding Tax: ¥3,800 Quantity pcs Add To Cart Description Google this item. Technical Data R01MLITHokkaido開発局営繕部