promoting healthy plant growth without manual intervention

available in 6 widths

Ideal as a workbench

greenhouse frame

Large freeze dryers are NOW 15-amp-outlet capable

Janssens | Spindle Opener for Roof Window estimatestart-60 promoting healthy plant growth withoutThe Janssens Spindle Opener for Roof Window is an optional addition to your Roof window in your Janssens greenhouse. This is a manual opener that works like a large threaded screw for Royal or Junior Victorians. Very strong and heavy duty good for high wind areas long handle NOT included. If you already have a spindle opener, you should already have the handle. If not, you can order the Long Handle for Spindle Opener here. WARRANTY 15 Year Limited