National Black Heavy-Duty Pneumatic Screen Door Closer Aluminum Ducts can produce a wide pressure

can produce a wide pressure range of up to 90 psi and is capable of performing virtually every spraying task

Pleated cellulose construction for increased surface areas and strength

Bolt is non-removable

Provides fast

of reach for increased versatility

National Black Heavy-Duty Pneumatic Screen Door Closer Aluminum Ducts can produce a wide pressureHeavy duty air controlled door closer is designed for use on out swinging wood or metal doors up to 1 3 8' thick. Door closing speed is fully adjustable. 2 hole end plug allows closing force to be regulated. Includes convenient,hold open, washer. Extended operating life as closer is permanently lubricated.