National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Solid Rod electrochemical carbon monoxide sensor

electrochemical carbon monoxide sensor

Two LR44 long life batteries

MARSHALLTOWN and QLT Rubber Floats are Made in the USA with Global Materials

Equipped with a high-limit safety switch

Pattern Stamp: Various

National 4 In. Oil Rubbed Bronze 1/4 In. Radius Spring Door Hinge Solid Rod electrochemical carbon monoxide sensorCatalog model No. V521 series. Cold rolled steel. Designed for hanging self closing doors in basements, stairways, garages, and entrances. Can be used in residential, commercial, and apartment buildings. Hinge is UL approved for fire doors. Closing speed is adjustable. Fits standard hinge cutout. 1 4' radius, round corner automatic door closing spring hinge.