Riga 20" Door Frame Extension Kit
You can enjoy greater height in your Riga greenhouse by putting it on a 20" knee-wall and using this door extension kit to complete the house.
Allows you to put your Riga greenhouse on a knee-wall
Raise your Riga greenhouse 20 inches
Fits all Riga greenhouses; not compatible with the Riga base kit
Usually ships within 5 days