This 20"x18" Shoemaker 2502 Spring-Actuated Fire Damper is designed to fit and cover a 20" wide by 18" high opening. Shoemaker has a complete line of products designed for homes, offices, stores, and many other commercial applications. The quality and simplicity of this fire damper are only two of the many reasons why Shoemaker Manufacturing leads the field in innovative air-grille design for real world applications. The Shoemaker 2502 Thin-line Frame 1 1/2 Hour Curtain-Type Damper is manufactured from corrosion-tested galvanized mild steel (G-90). It has interlocking steel roll-formed blades with a blade lock. This fire damper is available in square or rectangular sizes with maximum dimensions of 41" W, 36" H. It has a 2" thin-line roll-formed frame. Be sure to measure the hole opening size instead of measuring the face plate of your old grille. This grille is designed to fit over a 20"x18" existing hole or duct. It is approved by UL and California State Fire Marshall and proudly made in USA. Refer to the Specification Sheet for more information.
|Product:||Vents and Terminations|
|Use:||Ducting and Venting|
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