20'x120' Greenhouse Frame Quonset Sidewall Height/Truss Spacing:6'/4' These are used most often
Yard notes & kiln story
Description
20'x120' Greenhouse Frame Quonset Sidewall Height Truss Spacing:6' 4' These are used most often These are used most often in conjunction with our light deprivation system to keep your rollbar flush to the structure with the Hydro X Pro controller for the purpose of controlling and adjusting the speed of industrial fans in your application