Exaco RIGA Automatic Window Opener  RIGA Auto Opener 

Introduction

There are a wide variety of accessories available for the RIGA series of greenhouses. These accessories add practical functionality to make your greenhouse more usable and help efficiently utilize all of the available space.

Product Description

Allows the opener to be disconnected in adverse weather conditions. Paraffin oil in piston expands starting around 72ºF. 

Specifications