Univent® window opener is a compact and powerful opener and uses well-proven standard hydraulic cylinder that throughout many years on the market has proven its high quality and durability.
Your opener can be mounted all year round, however, your cylinder must be unscrewed by 1) Use of heat source in your greenhouse 2) Winter storm, winter must be secured with the safety belt
Spring: Lubricate all moving parts with thin oil (olive oil), also grease (E) with grease or petroleum jelly (This extends the life of the opener)
Surface with attractive wood-look finish Flexible height adjustment Lots of possible configurations Work ergonomically at a comfortable height Can also be used as a composter Compact, space-saving design 5 years warranty
Univent® window opener is a compact and powerful opener and uses well-proven standard hydraulic cylinder that throughout many years on the market has proven its high quality and durability.