C.R. LAURENCE K5074 CRL Aluminum Heavy-Duty Storm Door Pneumatic Closer with Shock Spring. This CRL Pneumatic Closer is designed for out-swinging wood or metal doors; full 90 degree opening. This unit has adjustable closing speed and sure-close latch feature. It has a factory lubricated and has an external spring to prevent wind damage. One closer with mounting brackets and attaching hardware per package.. Part Numbers Variations: K5074
