| Panasonic floor spring S-250 heavy floor spring   Product Features:  
                              High-precision processing ensures that the center reset remains 0 degree deviation after long-term use, which greatly saves indoor air conditioning energy;  
                              The thickness of the ultra-thin body is only 40.5mm, which is very suitable for floor installation;  
                              Thickened stainless steel cover plate The thickness of the stainless steel cover plate is 1.5mm to prevent collapse and deformation;  
                              Thickened connecting rod and spring ensure service life;  |