National Aluminum Heavy-Duty Pneumatic Screen Door Closer modular J-Channel internal dimension: 3/4" adjusts

J-Channel internal dimension: 3/4" adjusts to 1-1/4"

The two convenient handles provide an easy way to shake out the cool ash to maximize airflow for quicker startups

Resistant to pick and bump security attacks

Quick Roof Ultra Bond with Steel-Loc Adhesive

Fits 291 & 293 series hinges

National Aluminum Heavy-Duty Pneumatic Screen Door Closer modular J-Channel internal dimension: 3/4" adjustsHeavy 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.