Roll-Up Side Upgrade Kit 3.5" It fits on any type

It fits on any type of tree

7 6 51048  48 168 1

Available in a one-zipper or two-zipper door system

or extra coarse grades of vermiculite

Dual nozzle ports

Roll-Up Side Upgrade Kit 3.5" It fits on any typeDescription Specs FAQs Roll up sides create needed ventilation for plants growing in greenhouses. This upgrade kit allows you to convert your Grower's Solution roll up sides to a metal crank handle system. The metal crank handle system is made of a rust resistant body, self locking automatic brake, and a threaded handle for years of easy use. The roll up side upgrade kit includes all needed hardware to upgrade your Grower's Solution roll up greenhouse