The Universal Hardware Bronze Medium-Duty Commercial Door Closer is designed for many different commercial door applications. This Medium-Duty Commercial Door Closer is suitable for interior commercial doors ranging from 44 lbs to 188 lbs . The door closer is packaged with a parallel arm bracket to allow for Tri-Pack installation.. Easy to install Size 3 door closer works on doors up to 125 lbs.. UL 3-Hour Fire rated Medium-Duty door closer for commercial use. Standard, parallel or top jamb mount and 180-degree opening range. All metal body construction for added durability. Size 3: works with doors weighing less than 125lbs.. UL Listed: 3-hour fire rated for added protection and meeting building requirements. Interior doors: Left or right hinged doors up to 125 lbs. and 38" wide. Exterior doors: Left or right hinged doors up to 125 lbs. and 30" wide. Adjustable closing and latching speeds eliminate door slamming. Opening range: 180-degree for added convenience and pass-through space. Mounting: Standard, top jamb or parallel mount. Limited 10 year warranty. Adjustable closing speed: Yes. Brand Compatibility: All Standard. Builders Hardware Product Type: Door Closer. Color: Bronze. Color Family: Metallics. Commercial / Residential: Commercial. Door Closer Features: No Additional Features. Door Closer Operation: Hydraulic. Hardware Color Family: Bronze. Hardware Finish Family: Bronze. Interior/Exterior: Interior. Material: Cast Metal. Weight load (lb.): 188. Certifications and Listings: UL Listed. Product Depth (in.): 12 in. Product Height (in.): 4.5 in. Product Width (in.): 10 in