National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge CLC Average coverage is approximately 2

Average coverage is approximately 2 sq

5 GPM VOC compliant brass fan nozzle for easy coverage attaches directly to shuf-off or extension

Locks against vibration loosening

Thick-Body offers a 1mm size blade

Tank mix compatible with insect growth regulators (IGR’s) such as Tekko Pro and other insecticides

National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge CLC Average coverage is approximately 2Catalog 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.