Roll-Up Side Kit for Hobby Greenhouse Pumps & Irrigation In addition to calcium

In addition to calcium

UV is an essential component of the spectrum that produces stronger

Outside Diameter: 40

So whether you are wall hanging

Side-effects include: Maximum vegetative growth & better flower yield

Roll-Up Side Kit for Hobby Greenhouse Pumps & Irrigation In addition to calciumIncrease airflow and manage heat in your Hobby Greenhouse with roll up sides. Turn the handle to raise or lower the plastic sidewalls and fine tune your climate control as temperatures shift. Features Roll up bars for ventilation and temperature control Easy turn handles for manual operation Webbing and strap system secure sides open Works with optional insect netting for pest management Improves air circulation and reduces humidity build up Included