with a brush seal

or garden carts in and out—ideal for both hobbyists and serious growers

What electrical requirements do these units need

and includes the same professional grade automatic vent opener as the MONT Greenhouse comes standard with

promoting healthy plant growth without manual intervention

Janssens | Spindle Opener for Roof Window estimatestart-60 with a brush sealThe 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