National Aluminum Heavy-Duty Pneumatic Screen Door Closer Easy Heat and the DIY green installation

and the DIY green installation requires no nails or glue

and resists surface cracking and chemical action

Star Tron(TM)'s enzymes break down debris into sub-micron sized particles that can be easily burned during the combustion process

Environmentally safe and biodegradable

just cut pipe & push pex

National Aluminum Heavy-Duty Pneumatic Screen Door Closer Easy Heat and the DIY green installationHeavy 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.