National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge CLC Tank mix compatible with insect

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

and many other home and shop projects

Eliminates unpredictable flow rates and creates an ideal bacterial environment within a matter of minutes

Thick-Body offers a 1mm size blade

Locks against vibration loosening

National 4 In. Satin Nickel 1/4 In. Radius Spring Door Hinge CLC Tank mix compatible with insectCatalog 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.