• Replaces worn out Piston Rod from your J. Orbesen Teknik Brand (Denmark) Univent Window Openers
• NOTE: For J. Orbesen Teknik, Denmark, Products ONLY, NOT interchangeable with any other brand AND NO RETURNS to Amazon, contact J. Orbesen Teknik directly (as instructed in the images) for replacement
• Core technology is the hydraulic cylinder that contains a plant-based special wax that works as the opener thermostat: No need for electrical power supply
• You don't need any electricity in your greenhouse; the window opener will be very environmental and CO2-friendly throughout its whole lifetime
• Our renowned hydraulic cylinders replace our small range of window openers: Optivent, Univent, Thermovent, Sesam Liberty Vent, and Ventomax

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty