Stainless Steel Fire Door Sequencer High Quality Closing Assistant Commercial Buildings

Label:Yes Name: Fire Door Sequential Controller Selling method:2pcs Fire Door Sequential Controller(Metal wheels/rubber wheels) Material: 201 Stainless Steel Size: 12*5*3 cm(4.72*1.97*1.18 in) Color: Silver

Description: 1. Made of high-quality stainless steel, sturdy, corrosion-resistant and long service life. 2. Designed specifically for double fire doors to control sequential opening and closing. 3. Ensures fire safety compliance for fire exits and passage doors. 4. Stable performance, smooth operation and low noise during use. 5. Easy to install and widely used in commercial and residential buildings.